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Introducción
Cocodrilo Americano (Alligator mississippiensis) en el centro de visitantes de Oasis en Big Cypress National Preserve , Florida
En el sentido de las agujas del reloj, desde arriba a la izquierda: tortuga verde ( Chelonia mydas ), tuátara ( Sphenodon punctatus ), cocodrilo del Nilo ( Crocodylus niloticus ) y agama del Sinaí ( Pseudotrapelus sinaitus )
Reptiles son tetrápodos animales en la clase o clado Reptilia / r ɛ p t ɪ l i ə / . Como clase en la taxonomía de Linne, Reptilia se refiere a ungrupo parafilético que comprende todos los amniotes ( vertebrados que encierran sus embriones en una serie de sacos protectores) excepto los sinápsidos ( mamíferos y sus parientes extintos) y Aves ( aves ). La clase Reptilia comprende tortugas , cocodrilos, serpientes , anfisbianas , lagartijas , tuátaras y sus parientes extintos. El estudio de los órdenes tradicionales de reptiles , históricamente combinado con el de los anfibios modernos , se llama herpetología .
Operando bajo el principio evolutivo moderno de la cladística , muchos paleontólogos y herpetólogos han redefinido a Reptilia como un clado monofilético que contiene todos los reptiles modernos (en el sentido tradicional) y cualquier otro descendiente de su último ancestro común . Esto incluiría las aves, que son un subgrupo de arcosaurios y están más estrechamente relacionadas con los cocodrilos que con cualquier otro animal moderno. Alternativamente, el clado Reptilia podría definirse como una referencia a animales más estrechamente relacionados con los reptiles modernos que con los mamíferos. Esta definición convertiría a Reptilia en sinónimo del clado Sauropsida .
Los primeros protoreptiles conocidos se originaron hace unos 312 millones de años durante el período Carbonífero , habiendo evolucionado a partir de tetrápodos reptilomorfos avanzados que se adaptaron cada vez más a la vida en tierra firme. El eureptil más antiguo conocido ("verdadero reptil") fue Hylonomus , un animal pequeño y superficialmente parecido a un lagarto. Los datos genéticos y fósiles sostienen que los dos linajes más grandes de reptiles, Archosauromorpha (cocodrilos, aves y parientes) y Lepidosauromorpha (lagartos y parientes), divergieron cerca del final del período Pérmico . Además de los reptiles vivientes, hay muchos grupos diversos que ahora están extintos., en algunos casos debido a eventos de extinción masiva . En particular, el evento de extinción Cretácico-Paleógeno acabó con los pterosaurios , plesiosaurios , ornitisquios y saurópodos , junto con muchas especies de terópodos , crocodiliformes y escamatos (por ejemplo, mosasaurios ). ( Artículo completo ... )
Tipos de reptiles
- Yacare , yacare
Un caimán (también caimán como una variante ortográfica) es un caimán perteneciente a la subfamilia Caimaninae , uno de los dos linajes principales dentro de Alligatoridae , el otro son los caimanes . ( Artículo completo ... )
Snakes are elongated, limbless, carnivorous reptiles of the suborder Serpentes /sɜːrˈpɛntiːz/. Like all other squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales. Many species of snakes have skulls with several more joints than their lizard ancestors, enabling them to swallow prey much larger than their heads with their highly mobile jaws. To accommodate their narrow bodies, snakes' paired organs (such as kidneys) appear one in front of the other instead of side by side, and most have only one functional lung. Some species retain a pelvic girdle with a pair of vestigial claws on either side of the cloaca. Lizards have evolved elongate bodies without limbs or with greatly reduced limbs about twenty-five times independently via convergent evolution, leading to many lineages of legless lizards. Legless lizards resemble snakes, but several common groups of legless lizards have eyelids and external ears, which snakes lack, although this rule is not universal (see Amphisbaenia, Dibamidae, and Pygopodidae). (Full article...)- Aldabra giant tortoise
(Aldabrachelys gigantea)
Tortoises (/ˈtɔːr.təs.ɪz/) are reptile species of the family Testudinidae of the order Testudines (from the Latin name for tortoise). They are particularly distinguished from other turtles by being exclusively land-dwelling, while many (though not all) other turtle species are at least partly aquatic. Like other turtles, tortoises have a shell to protect from predation and other threats. The shell in tortoises is generally hard, and like other members of the suborder Cryptodira, they retract their necks and heads directly backwards into the shell to protect them. (Full article...) - Northern tuatara (Sphenodon punctatus punctatus)
Tuatara are reptiles endemic to New Zealand, belonging to the genus Sphenodon. Although resembling most lizards, they are part of a distinct lineage, the order Rhynchocephalia. Their name derives from the Māori language, and means "peaks on the back". The single species of tuatara (Sphenodon punctatus) is the sole surviving member of its order, which originated in the Triassic period around 250 million years ago and which flourished during the Mesozoic era. Their most recent common ancestor with any other extant group is with the squamates (lizards and snakes). For this reason, tuatara are of interest in the study of the evolution of lizards and snakes, and for the reconstruction of the appearance and habits of the earliest diapsids, a group of amniote tetrapods that also includes dinosaurs (including birds) and crocodilians. (Full article...) - An American alligator (top) and a Chinese alligator
An alligator is a crocodilian in the genus Alligator of the family Alligatoridae. The two extant species are the American alligator (A. mississippiensis) and the Chinese alligator (A. sinensis). Additionally, several extinct species of alligator are known from fossil remains. Alligators first appeared during the Oligocene epoch about 37 million years ago. (Full article...) - Male gharial
The gharial (Gavialis gangeticus), also known as the gavial or the fish-eating crocodile, is a crocodilian in the family Gavialidae and among the longest of all living crocodilians. Mature females are 2.6–4.5 m (8 ft 6 in–14 ft 9 in) long, and males 3–6 m (9 ft 10 in–19 ft 8 in). They have a distinct boss at the end of the snout, which resembles an earthenware pot known as a ghara, hence the name "gharial". The gharial is well adapted to catching fish because of its long, thin snout and 110 sharp, interlocking teeth. (Full article...) - Nile crocodile (Crocodylus niloticus)
Crocodiles (subfamily Crocodylinae) or true crocodiles are large semiaquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia. Crocodylinae, all of whose members are considered true crocodiles, is classified as a biological subfamily. A broader sense of the term crocodile, Crocodylidae (which includes Tomistoma), is not used in this article. The term crocodile here applies to only the species within the subfamily of Crocodylinae. The term is sometimes used even more loosely to include all extant members of the order Crocodilia, which includes the alligators and caimans (family Alligatoridae), the gharial and false gharial (family Gavialidae), and all other living and fossil Crocodylomorpha. (Full article...) - Clockwise from top left: veiled chameleon (Chamaeleo calyptratus), rock monitor (Varanus albigularis), common blue-tongued skink (Tiliqua scincoides), Italian wall lizard (Podarcis sicula), giant leaf-tailed gecko (Uroplatus fimbriatus), and legless lizard (Anelytropsis papillosus)
Lizards are a widespread group of squamate reptiles, with over 6,000 species, ranging across all continents except Antarctica, as well as most oceanic island chains. The group is paraphyletic as it excludes the snakes and Amphisbaenia; some lizards are more closely related to these two excluded groups than they are to other lizards. Lizards range in size from chameleons and geckos a few centimeters long to the 3 meter long Komodo dragon. (Full article...) - Florida box turtle (Terrapene carolina)
Turtles are reptiles of the order Chelonia /kɪˈloʊniə/ or Testudines /tɛˈstjuːdɪniːz/. They are characterized by a special bony or cartilaginous shell developed from their ribs that acts as a shield. Colloquially, the word "turtle" is generally restricted to fresh-water and sea-dwelling Testudines. Testudines includes both extant (living) and extinct species. Its earliest known members date from the Middle Jurassic. Turtles are one of the oldest reptile groups, more ancient than snakes or crocodilians. Of the 360 known extant species, some are highly endangered. (Full article...) - Blanus cinereus, Spain
Amphisbaenia /æmfɪsˈbiːniə/ (called amphisbaenians or worm lizards) is a group of usually legless squamates, comprising over 200 extant species. Amphisbaenians are characterized by their long bodies, the reduction or loss of the limbs, and rudimentary eyes. As many species have a pink body and scales arranged in rings, they have a superficial resemblance to earthworms. While the genus Bipes retains forelimbs, all other genera are limbless. Although superficially similar to the snakes and blind lizards, recent phylogenetic studies suggest that they are most closely related to the true lizards. Amphisbaenians are widely distributed, occurring in North America, Europe, Africa, South America, Western Asia and the Caribbean. They are not found east of the Caspian Sea. Most species are less than 6 inches (150 mm) long. (Full article...)
Imágenes seleccionadas
- Lagarto de pared sicilianoFotografía: Benny Trapp
El lagarto de pared siciliano ( Podarcis waglerianus ) es una especie de lagarto de la familia Lacertidae . Endémica de Italia , se encuentra en bosques templados , matorrales templados , vegetación arbustiva de tipo mediterráneo , pastizales templados , tierras cultivables , pastizales y jardines rurales en Sicilia y las islas Egadas . El número de especies es generalmente estable y ha sido catalogado como de menor preocupación por la UICN .
- Plumed BasiliskPhoto credit: Marcel Burkhard (cele4)
The Plumed Basilisk (Basiliscus plumifrons) is a species of lizard native to Latin America. Its natural range covers a swath from Mexico to Ecuador.
- Cerastes cerastes
Cerastes cerastes, commonly known as the Saharan horned viper or the horned desert viper, is a venomous species of viper native to the deserts of northern Africa and parts of the Arabian Peninsula and Levant. It often is easily recognized by the presence of a pair of supraocular "horns", although hornless individuals do occur.
- Anole lizardPhoto credit: Paul Hirst
An anole lizard of the family Polychrotidae found in Hilo, Hawaii, United States. Anoles are small and common lizards that can be found throughout the various regions of the Western Hemisphere. They are frequently and incorrectly called chameleons or geckos due to their ability to alter their skin color and run up walls, respectively.
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Cape skink - Trachylepis capensis. Close-up on purple Aster flowers.
- Dryas iuliaPhotograph: Ministry of Information and Tourism of Ecuador
A Julia butterfly (Dryas iulia) feeding on the tears of a red-headed Amazon River turtle (Podocnemis erythrocephala) in Ecuador. Such lachryphagy provides the butterfly with additional minerals that it can use for spermatophore production.
- Indian chameleonPhotograph: M. Arunprasad
The Indian chameleon (Chamaeleo zeylanicus) is a species of chameleon found in Sri Lanka, India, and other parts of South Asia. Like other chameleons, this species has a long tongue, feet that are shaped into bifid claspers, a prehensile tail, independent eye movement, and the ability to change skin colour. They move slowly with a bobbing or swaying movement and are usually arboreal. They are usually in shades of green or brown or with bands, but can change colour rapidly.
- OphiuchusIllustration credit: Sidney Hall; restored by Adam Cuerden
Ophiuchus is a constellation commonly represented in the form of a man grasping a large snake, and was formerly referred to as Serpentarius. It is a large constellation straddling the celestial equator and near the centre of the Milky Way as viewed from Earth, being surrounded by Aquila, Serpens, Scorpius, Sagittarius and Hercules. To the north of the serpent's tail is the now-obsolete constellation Taurus Poniatovii, while to its south Scutum. Ophiuchus's brightest star, Alpha Ophiuchi, represented here by the right eye of the snake charmer, was traditionally known as Rasalhague, from the Arabic meaning 'head of the serpent charmer'.
This illustration is plate 12 of Urania's Mirror, a set of 32 astronomical star chart cards illustrated by Sidney Hall and first published in 1824, featuring artistic depictions of Ophiuchus, as well as Taurus Poniatovii, Scutum (here referred to as "Scutum Sobiesky") and Serpens. - Green sea turtle
- Mexican beaded lizard
- Western terrestrial garter snakePhotograph: Steve Jurvetson
The western terrestrial garter snake (Thamnophis elegans) is a species of colubrid snake found in southwestern Canada and the western United States. It is the only species of garter snake with a well-documented tendency to constrict prey.
- Ladder snakePhoto: User:Benny Trapp
The ladder snake (Rhinechis scalaris) is found mostly in peninsular Spain, Portugal, and southern France. It usually eats eggs, insects, and small mammals such as mice. The snake is now threatened by habitat loss.
- Vipera xanthinaPhoto: Benny Trapp
Vipera xanthina is a venomous viper species found in northeastern Greece and Turkey, as well as certain islands in the Aegean Sea. The species, which averages 70–95 cm (27.6–37.4 in) in length, feeds on small mammals and birds.
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Asian vine snake Ahaetulla prasina. This snake has a wide distribution in Asia. It feeds on small reptiles and amphibians, particularly lizards and tree frogs. Adults may attain 1.8 m (6 feet) in total length, with a tail 0.6 m (2 feet) long. Its appearance is very much like those of South American vine snakes. It is a rear-fanged species and is mildly venomous but is not considered a threat to humans.
- Marginated tortoise
A baby marginated tortoise hatchling emerges from its shell.
- Italian wall lizardPhoto: Richard Bartz
The Italian wall lizard (Podarcis sicula) is native to southern and southeastern Europe. As the name suggests, it is the most abundant lizard species in southern Italy. The species is known for having been subject to "rapid evolution": In 1971, ten adult specimens were brought to the Croatian island of Pod Mrčaru from a neighbouring island, where they founded a new bottlenecked population. After the Yugoslav Wars, scientists found that the Pod Mrčaru population differed greatly from the original group, although the two are genetically identical. The most surprising difference was that individuals on Pod Mrčaru had developed cecal valves, "a brand new feature not present in the ancestral population".
- Snake charmingPhoto: Tancrède Dumas; Restoration: Lise Broer
A late nineteenth century photo of snake charmers in Tangier, Morocco. Snake charming is the practice of apparently hypnotising a snake, and the performance may use musical instruments and other street performance techniques. The practice as it exists today probably arose in India, where it remains widely practiced, and spread throughout Southeast Asia, the Middle East, and North Africa.
- Carolina anole
- Phelsuma grandisPhotograph: H. Krisp
Phelsuma grandis is a species of day gecko that lives in Madagascar. Found in a wide range of habitats, it can measure up to 30 centimetres (12 in) in length.
- Green sea turtle
A green sea turtle swimming above a coral reef.
- Forked tonguePhoto credit: LiquidGhoul
The head of a Coastal Carpet Python, the largest subspecies of Morelia spilota, a non-venomous Australian python, showing its forked tongue, a feature common to many reptiles, who smell using the tip of their tongue. Having a forked tongue allows them to tell which direction a smell is coming from.
Artículos seleccionados de Crocodilia
- Cocodrilo siamés en el zoológico de Moscú
El cocodrilo siamés ( Crocodylus siamensis ) es un cocodrilo de agua dulce de tamaño mediano originario de Indonesia ( Borneo y posiblemente Java ), Brunei , Malasia Oriental , Laos , Camboya , Myanmar , Tailandia y Vietnam . La especie está en peligro crítico y ya está extirpada de muchas regiones. Sus otros nombres comunes incluyen cocodrilo de agua dulce siamés, grano pequeño de Singapur y vientre blando. ( Artículo completo ... ) - Orinoco crocodile in the Newport Aquarium
The Orinoco crocodile (Crocodylus intermedius) is a critically endangered crocodile. Its population is very small, and it can only be found in freshwater environments in Colombia and Venezuela (particularly the Orinoco river and its tributaries). Extensively hunted for their skins in the 19th and 20th centuries, it is one of the most endangered species of crocodiles. It is a very large species of crocodilian; males have been reported up to 6.8 m (22 ft 4 in) in the past, but such sizes do not exist today, 5.2 m (17 ft 1 in) being a more widely accepted maximum size. A large male today may attain 4.1 m (13 ft 5 in) in length and can weigh 380 kg (840 lb), while females are substantially smaller with the largest likely to weigh around 225 kg (496 lb). Sexual dimorphism is not as profound as in other crocodilian species. The coloration is light even in adults.
The biology of the Orinoco crocodile is poorly documented in the wild, mostly due its small population. It is thought to have a more piscivorous diet with an opportunistic nature, resulting in generalist predatory behavior. The Orinoco crocodile is an apex predator, and will take the opportunity to prey on a variety of reptiles, birds, and mammals, including caimans on occasion. The prey base is mostly made up of large predatory fish, challenging the general view by locals complaining about crocodiles hunting local fish to very low numbers. Despite its large size, the Orinoco crocodile rarely poses a threat to humans, despite several reports. Reproduction takes place in the dry season when the water level is lower. Orinoco crocodiles are hole nesters, just like the related Nile, freshwater, and saltwater crocodiles, and they dig holes in the sand to lay their eggs. The females guard the nests and young for several years. (Full article...)
The broad-snouted caiman (Caiman latirostris) is a crocodilian reptile found in eastern and central South America, including southeastern Brazil, northern Argentina, Uruguay, Paraguay, and Bolivia. It is found mostly in freshwater marshes, swamps, and mangroves, usually in still or very slow-moving waters. It will often use man-made cow ponds. (Full article...)- At the Le Boner Crocodile Farm near Stellenbosch, South Africa
The Nile crocodile (Crocodylus niloticus) is a large crocodilian native to freshwater habitats in Africa, where it is present in 26 countries. Due to its widespread occurrence and stable population trend, it has been listed as Least Concern on the IUCN Red List since 1996. It is widely distributed throughout sub-Saharan Africa, occurring mostly in the central, eastern, and southern regions of the continent, and lives in different types of aquatic environments such as Lakes, Rivers, Swamps, and marshlands. Although capable of living in saline environments, this species is rarely found in saltwater, but occasionally inhabits deltas and brackish lakes. The range of this species once stretched northward throughout the Nile, as far north as the Nile delta. On average, the adult male Nile crocodile is between 3.5 and 5 m (11.5 and 16.4 ft) in length and weighs 225 to 750 kg (500 to 1,650 lb). However, specimens exceeding 6.1 m (20 ft) in length and weighing up to 1,089 kg (2,400 lb) have been recorded. It is the largest freshwater predator in Africa, and may be considered the second-largest extant reptile in the world, after the saltwater crocodile (Crocodylus porosus). Sexual dimorphism is prevalent, and females are usually about 30% smaller than males. They have thick, scaly, heavily armoured skin.
Nile crocodiles are opportunistic apex predators; a very aggressive species of crocodile, they are capable of taking almost any animal within their range. They are generalists, taking a variety of prey. Their diet consists mostly of different species of fish, reptiles, birds, and mammals. They are ambush predators that can wait for hours, days, and even weeks for the suitable moment to attack. They are agile predators and wait for the opportunity for a prey item to come well within attack range. Even swift prey are not immune to attack. Like other crocodiles, Nile crocodiles have an extremely powerful bite that is unique among all animals, and sharp, conical teeth that sink into flesh, allowing for a grip that is almost impossible to loosen. They can apply high levels of force for extended periods of time, a great advantage for holding down large prey underwater to drown. (Full article...)
The Cuban crocodile (Crocodylus rhombifer) is a small-medium species of crocodile found only in Cuba. Typical length is 2.1–2.3 m (6.9–7.5 ft) and typical weight 70–80 kg (150–180 lb). Large males can reach as much as 3.5 m (11 ft) in length and weigh more than 215 kg (474 lb). Despite its modest size, it is a highly aggressive animal, and potentially dangerous to humans.
The Cuban crocodile is of interest to biologists, for its unique physical and behavioral traits. Long- and strong-legged, it is the most terrestrial of extant crocodiles. Its preferred habitat comprises freshwater environments such as marshes and rivers. There, the adults feed on fish, turtles and small mammals, while the young eat invertebrates and smaller fish. Mating occurs between May and July. Captive animals have displayed cooperative hunting behavior, and can be taught tricks, suggesting intelligence. (Full article...)- A smooth-fronted caiman at Anaxiqui River in Brazil
The smooth-fronted caiman (Paleosuchus trigonatus), also known as Schneider's dwarf caiman or Schneider's smooth-fronted caiman, is a crocodilian from South America, where it is native to the Amazon and Orinoco Basins. It is the second-smallest species of the family Alligatoridae, the smallest being Cuvier's dwarf caiman, also from tropical South America and in the same genus. An adult typically grows to around 1.2 to 1.6 m (3.9 to 5.2 ft) in length and weighs between 9 and 20 kg (20 and 44 lb). Exceptionally large males can reach as much as 2.3 m (7.5 ft) in length and 36 kg (79 lb) in weight. (Full article...) - New Guinea crocodile at Bandung Zoo in West Java, Indonesia
The New Guinea crocodile (Crocodylus novaeguineae) is a small species of crocodile found on the island of New Guinea north of the mountain ridge that runs along the centre of the island. The population found south of the mountain ridge, formerly considered a genetically distinct population, is now considered a distinct species, Hall's New Guinea crocodile (C. halli). In the past it included the Philippine crocodile, C. n. mindorensis, as a subspecies, but today they are regarded as separate species. The habitat of the New Guinea crocodile is mostly freshwater swamps and lakes. It is most active at night when it feeds on fish and a range of other small animals. A female crocodile lays a clutch of eggs in a nest composed of vegetation and she lies up nearby to guard the nest. There is some degree of parental care for newly hatched juveniles. This crocodile was over-hunted for its valuable skin in the mid 20th century, but conservation measures have since been put in place, it is reared in ranches and the International Union for Conservation of Nature (IUCN) lists it as being of "Least Concern". (Full article...) - Saltwater crocodile at the St. Augustine Alligator Farm Zoological Park, Florida
The saltwater crocodile (Crocodylus porosus) is a crocodilian native to saltwater habitats and brackish wetlands from India's east coast across Southeast Asia and the Sundaic region to northern Australia and Micronesia. It has been listed as Least Concern on the IUCN Red List since 1996. It was hunted for its skin throughout its range up to the 1970s, and is threatened by illegal killing and habitat loss. It is regarded as dangerous for people who share the same environment.
The saltwater crocodile is the largest living reptile and crocodilian known to science. Males grow to a length of up to 6 m (20 ft), rarely exceeding 6.3 m (21 ft) or a weight of 1,000–1,300 kg (2,200–2,900 lb). Females are much smaller and rarely surpass 3 m (10 ft).
It is also known as the estuarine crocodile, Indo-Pacific crocodile, marine crocodile, sea crocodile or informally as saltie. (Full article...)
The freshwater crocodile (Crocodylus johnstoni or Crocodylus johnsoni; see below), also known as the Australian freshwater crocodile, Johnstone's crocodile or colloquially as freshie, is a species of crocodile endemic to the northern regions of Australia.
Unlike their much larger Australian relative, the saltwater crocodile, freshwater crocodiles are not known as man-eaters, although they will bite in self-defence, and brief non-fatal attacks have occurred, apparently the result of mistaken identity. (Full article...)- At the La Manzanilla, Jalisco, Mexico
The American crocodile (Crocodylus acutus) is a species of crocodilian found in the Neotropics. It is the most widespread of the four extant species of crocodiles from the Americas, with populations present from South Florida and the coasts of Mexico to as far south as Peru and Venezuela.
The habitat of the American crocodile consists largely of coastal areas. It is also found in river systems, but tends to prefer salinity, resulting in the species congregating in brackish lakes, mangrove swamps, lagoons, cays, and small islands. Other crocodiles also have tolerance to saltwater due to salt glands underneath the tongue, but the American crocodile is the only species other than the saltwater crocodile to commonly live and thrive in saltwater. They can be found on beaches and small island formations without any freshwater source, such as many cays and islets across the Caribbean. They are also found in hypersaline lakes; one of the largest known populations inhabits Lago Enriquillo in the Dominican Republic. (Full article...)
The mugger crocodile (Crocodylus palustris), also called marsh crocodile, broad-snouted crocodile and mugger, is a crocodilian native to freshwater habitats from southern Iran to the Indian subcontinent. It is extinct in Bhutan and Myanmar and has been listed as Vulnerable on the IUCN Red List since 1982.
It is a medium-sized crocodile that inhabits lakes, rivers, marshes and artificial ponds. Both young and adult mugger crocodiles dig burrows where they retreat when temperature drops below 5 °C (41 °F) or exceeds 38 °C (100 °F). Females dig holes in the sand as nesting sites and lay up to 46 eggs during the dry season. Sex of hatchlings depends on temperature during incubation. It preys on fish, reptiles, birds and mammals. Young feed on insects. (Full article...)- In Llanos, Venezuela
The spectacled caiman (Caiman crocodilus), also known as the white caiman, common caiman, and speckled caiman, is a crocodilian in the family Alligatoridae. It is brownish-, greenish-, or yellowish-gray colored and has a spectacle-like ridge between its eyes, which is where its common name come from. It grows to a length of 1.4–2.5 metres (4.6–8.2 ft) and a weight of 7–40 kilograms (15–88 lb), with males being both longer and heavier than females. Its diet varies seasonally, commonly consisting of crabs, fish, mammals, and snails. Breeding occurs from May to August and 14–40 eggs are laid in July and August. This crocodilian has a large range and population; it is native to much of Latin America, and has been introduced to the United States, Cuba, and Puerto Rico. (Full article...) - Specimen in Bazoulé, Burkina Faso
The West African crocodile, desert crocodile, or sacred crocodile (Crocodylus suchus) is a species of crocodile related to – and often confused with – the larger and more aggressive Nile crocodile (C. niloticus). (Full article...)
The black caiman (Melanosuchus niger) is a species of large crocodilian and, along with the American alligator, is one of the biggest extant members of the family Alligatoridae and order Crocodilia. It is a carnivorous reptile that lives along slow-moving rivers, lakes, seasonally flooded savannas of the Amazon basin, and in other freshwater habitats of South America. It is a large species, growing to at least 5 m (16 ft) and possibly up to 6 m (20 ft) in length, which makes it the fourth-largest reptile in the Neotropical realm, behind the American alligator, American crocodile, and the critically endangered Orinoco crocodile. As its common and scientific names imply, the black caiman has a dark coloration, as an adult. In some individuals, the dark coloration can appear almost black. It has grey to brown banding on the lower jaw. Juveniles have a more vibrant coloration compared to adults with prominent white to pale yellow banding on the flanks that remains present well into adulthood, at least more when compared to other species. The morphology is quite different from other caimans but the bony ridge that occurs in other caimans is present. The head is large and heavy, an advantage in catching larger prey. Like all crocodile-like animals, caimans are long, squat creatures, with big jaws, long tails and short legs. They have thick, scaled skin, and their eyes and noses are located on the tops of their heads. This enables them to see and breathe while the rest of their bodies are underwater.
The black caiman is the largest predator in the Amazon ecosystem, preying on a variety of fish, reptiles, birds, and mammals. It is a generalist and apex predator, potentially capable of taking any animal within its range, including other predators. Few ecological studies have been carried out on the species, but the black caiman has its own ecological niche that enables coexistence without too much competition. As the largest predator in the ecosystem, it may also be a keystone species, playing an important role of maintaining the structure of the ecosystem. Reproduction takes place in the dry season. Females build a nest mound with an egg chamber, protecting the eggs from predators. Hatchlings form groups called pods, guarded by the presence of the female. These pods may contain individuals from other nests. Once common, it was hunted to near extinction primarily for its commercially valuable hide. It is now making a comeback, listed as Conservation Dependent. Overall a little-known species, it was not researched in any detail until the 1980s, when the leather-trade had already taken its toll. It is a dangerous species to humans, and attacks have occurred in the past. (Full article...)
The Chinese alligator (Alligator sinensis, simplified Chinese: 扬子鳄; traditional Chinese: 揚子鱷; pinyin: yángzǐ'è), also known as the Yangtze alligator, China alligator, or historically the muddy dragon, is a crocodilian endemic to China. It and the American alligator are the only living species in the genus Alligator of the family Alligatoridae. Dark gray or black in color with a fully armored body, the Chinese alligator grows to 1.5–2.1 metres (5–7 ft) in length and weighs 36–45 kilograms (80–100 lb) as an adult. It brumates in burrows in winter and is nocturnal in summer. Mating occurs in early summer, with females most commonly producing 20–30 eggs, which are smaller than those of any other crocodilian. The species is an opportunistic feeder, primarily eating fish and invertebrates. A vocal species, adults bellow during the mating season and young vocalize to communicate with their parents and other juveniles. Captive specimens have reached age 70, and wild specimens can live to over 50.
Living in bodies of fresh water, the Chinese alligator's range is restricted to six regions in the province of Anhui, as well as possibly the provinces of Jiangsu and Zhejiang. Originally living as far away from its current range as Japan, the species previously had a wide range and population, but beginning in 5000 BC, multiple threats, such as habitat destruction, caused the species' population and range to decline. The population in the wild was about 1000 in the 1970s, decreased to below 130 in 2001, and grew after 2003, with its population being about 300 as of 2017. Listed as critically endangered by the International Union for Conservation of Nature, multiple conservation actions have been taking place for this species. (Full article...)- Mato Grosso, Brazil
The yacare caiman (Caiman yacare), also known commonly as the jacare caiman, Spanish yacaré, Paraguayan caiman, piranha caiman, red caiman, southern spectacled caiman, jacaré in Portuguese, and îakaré in Old Tupi, is a species of caiman, a crocodilian in the family Alligatoridae. The species is endemic to Argentina, Bolivia, Brazil, and Paraguay. Brown in color and covered with dark blotches, males grow to a total length (including tail) of 2–3 m (6.6–9.8 ft) and females to 1.4 m (4.6 ft). Typical habitats of this caiman include lakes, rivers, and wetlands. Its diet primarily consists of aquatic animals, such as snails, and occasionally land vertebrates. Mating occurs in the rainy season and eggs hatch in March, with young fending for themselves as soon as they hatch. The yacare caiman was hunted heavily for its skin to use for leather in the 1980s, which caused its population to decrease significantly. However, trading restrictions placed since have caused its population to increase. Its population in the Pantanal is about 10 million, and it is listed as least concern on the IUCN Red List. (Full article...) - Male gharial
The gharial (Gavialis gangeticus), also known as the gavial or the fish-eating crocodile, is a crocodilian in the family Gavialidae and among the longest of all living crocodilians. Mature females are 2.6–4.5 m (8 ft 6 in–14 ft 9 in) long, and males 3–6 m (9 ft 10 in–19 ft 8 in). They have a distinct boss at the end of the snout, which resembles an earthenware pot known as a ghara, hence the name "gharial". The gharial is well adapted to catching fish because of its long, thin snout and 110 sharp, interlocking teeth.
The gharial probably evolved in the northern Indian subcontinent. Fossil gharial remains were excavated in Pliocene deposits in the Sivalik Hills and the Narmada River valley. It currently inhabits rivers in the plains of the northern part of the Indian subcontinent. It is the most thoroughly aquatic crocodilian, and leaves the water only for basking and building nests on moist sandbanks. Adults mate at the end of the cold season. Females congregate in spring to dig nests. They lay 20–95 eggs, and guard the nests and the young that hatch before the onset of the monsoon. The hatchlings stay and forage in shallow water during their first year, but move to sites with deeper water as they grow. (Full article...) - West African slender-snouted crocodile
Mecistops is a genus of crocodiles, the slender-snouted crocodiles, native to sub-Saharan Africa. (Full article...) - At the Columbus Zoo and Aquarium in Powell, Ohio
The American alligator (Alligator mississippiensis), sometimes referred to colloquially as a gator or common alligator, is a large crocodilian reptile native to the Southeastern United States, with a small population in Mexico. It is one of two extant species in the genus Alligator within the family Alligatoridae; it is larger than the only other living alligator species, the Chinese alligator.
Adult male American alligators measure 3.4 to 4.6 m (11.2 to 15.1 ft) in length, and can weigh up to 453 kg (999 lb). Females are smaller, measuring 2.6 to 3 m (8.5 to 9.8 ft) in length. The American alligator inhabits freshwater wetlands, such as marshes and cypress swamps from Tamaulipas in Mexico to southeastern and coastal North Carolina. It is distinguished from the sympatric American crocodile by its broader snout, with overlapping jaws and darker coloration, and is less tolerant of saltwater but more tolerant of cooler climates than the American crocodile, which is found only in tropical climates. (Full article...)
Cuvier's dwarf caiman (Paleosuchus palpebrosus) is a small crocodilian in the alligator family from northern and central South America. It is found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Suriname, and Venezuela. It lives in riverine forests, flooded forests near lakes, and near fast-flowing rivers and streams. It can traverse dry land to reach temporary pools and tolerates colder water than other species of caimans. Other common names for this species include the musky caiman, the dwarf caiman, Cuvier's caiman, and the smooth-fronted caiman (the latter name is also used for P. trigonatus). It is sometimes kept in captivity as a pet and may be referred to as the wedge-head caiman by the pet trade.
Cuvier's dwarf caiman was first described by the French zoologist Georges Cuvier in 1807 and is one of only two species in the genus Paleosuchus, the other species being P. trigonatus. Their closest relatives are the other caimans in the subfamily Caimaninae. With a total length averaging 1.4 m (4.6 ft) for males and typically up to 1.2 m (3.9 ft) for females, Cuvier's dwarf caiman is not only the smallest extant species in the alligator and caiman family, but also the smallest of all crocodilians. An adult typically weighs around 6 to 7 kg (13 to 15 lb). Its lack of size is partly made up for by its strong body armor, provided by the bony bases to its dermal scales, which provides protection against predators. Juvenile dwarf caimans mainly feed on invertebrates, but also small fish and frogs, while adults eat larger fish, amphibians, and invertebrates, such as large molluscs. This caiman sometimes uses a burrow as shelter during the day and in the Pantanal may aestivate in the burrow to stay cool in the dry season. The female buries her eggs on a mounded nest and these take about 3 months to hatch. She helps the hatchlings to escape from the nest and provides some parental care for the first few weeks of their lives. This caiman has a wide range and large total population and the IUCN lists its conservation status as being of least concern. (Full article...)
The dwarf crocodile (Osteolaemus tetraspis), also known as the African dwarf crocodile, broad-snouted crocodile (a name more often used for the Asian mugger crocodile) or bony crocodile, is an African crocodile that is also the smallest extant (living) species of crocodile. Sampling has identified three genetically distinct populations. Some feel that the findings should elevate the subspecies to full species status. (Full article...)
Morelet's crocodile (Crocodylus moreletii), also known as the Mexican crocodile, is a modest-sized crocodilian found only in fresh waters of the Atlantic regions of Mexico, Belize and Guatemala. It usually grows to about 3 metres (9.8 ft) in length. It is a Least Concern species.
The species has a fossil record in Guatemala. (Full article...)- An adult basking on the island of Palawan, Philippines
The Philippine crocodile (Crocodylus mindorensis), also known as the Mindoro crocodile, the Philippine freshwater crocodile, the bukarot in Ilocano, and more generally as a buwaya in most Filipino lowland cultures, is one of two species of crocodiles found in the Philippines; the other is the larger saltwater crocodile (Crocodylus porosus). The Philippine crocodile, the species endemic only to the country, became data deficient to critically endangered in 2008 from exploitation and unsustainable fishing methods, such as dynamite fishing. Conservation methods are being taken by the Dutch/Filipino Mabuwaya foundation, the Crocodile Conservation Society and the Zoological Institute of HerpaWorld in Mindoro island. It is strictly prohibited to kill a crocodile in the country, and it is punishable by law. (Full article...)
Seleccionados serpiente artículos
La serpiente rey negra mexicana ( Lampropeltis getula nigrita ) es parte de la familia más grande de serpientes colúbridas, y una subespecie de la serpiente rey común, que los herpetólogos debaten por contener hasta 10 variedades únicas. Esta especie ocupa áreas rocosas y lugares exuberantes con vegetación en varias regiones del Desierto de Sonora , Noroeste de Sinaloa, México y pequeñas partes de Arizona . En cautiverio, pueden permanecer en excelente estado de salud mediante una dieta estricta de ratones y generalmente requieren un gradiente de temperatura entre 21 y 29 grados centígrados. ( Artículo completo ... )
Stimson's python (Antaresia stimsoni) is a species of python, a snake in the family Pythonidae. The species is endemic to Australia. Stimson's pythons are sold and kept as pets in some Australian states. (Full article...)
The Mozambique spitting cobra (Naja mossambica) is a highly venomous species of spitting cobra native to Africa. It is largely found at Angola, Botswana, Mozambique, Namibia, South Africa, Tanzania, Zambia and Zimbabwe. (Full article...)- Leptophis stimsoni, commonly known as the grey lora or the Trinidad upland parrot snake, is a small species of snake in the family Colubridae. The species is endemic to the Republic of Trinidad and Tobago. (Full article...)
- Grand Canyon rattlesnake
Havasu Canyon, Arizona
Crotalus oreganus abyssus is a venomous pit viper subspecies found only in the U.S. states of Arizona and Utah. (Full article...)
Bothriechis bicolor is a venomous pit viper species found in southern Mexico, Guatemala and Honduras. The specific name refers to the contrasting ventral and dorsal colors. No subspecies are currently recognized. (Full article...)
The red-tailed pipe snake, red cylinder snake, or common pipe snake, Cylindrophis ruffus is a snake species found in Southeast Asia. No subspecies are currently recognized. (Full article...)- Micropechis ikaheca, commonly known as the New Guinea small-eyed snake or Ikaheka snake, is a highly venomous elapid, the only species in the genus Micropechis. The holotype was collected at Doré on the Vogelkop of Netherlands New Guinea, and described in 1829, by the naturalist on board the French Navy vessel La Coquille, ship's surgeon René Primevère Lesson, in a volume of the three-year circumnavigation (1922-1925) by Louis Isidore Duperrey, captain of La Coquille. Lesson's holotype is housed in the collection of the Muséum National d'Histoire Naturelle, in Paris, with the museum accession no. MNHN 7669. (Full article...)
- (Full article...)
Bothriechis rowleyi is a species of pit viper, a venomous snake in the subfamily Crotalinae of the family Viperidae. The species is endemic to Mexico. There are no subspecies that are recognized as being valid. (Full article...)- Green anaconda, Eunectes murinus
Anacondas or water boas are a group of large snakes of the genus Eunectes. They are found in tropical South America. Four species are currently recognized. (Full article...)
Protobothrops elegans is a venomous pitviper species endemic to Japan in the southern Ryukyu Islands. No subspecies are currently recognized. Common names include: elegant pitviper, Sakishima habu (サキシマハブ), and elegant tree viper. (Full article...)- Inland taipan (Oxyuranus microlepidotus)
Taipans are snakes of the genus Oxyuranus in the elapid family. They are large, fast-moving, highly venomous, and endemic to Australia. There are currently three recognised species, one of which, the coastal taipan, has two subspecies. Taipans are considered some of the deadliest known snakes. (Full article...)
The Persian horned viper (Pseudocerastes persicus) is a species of venomous vipers endemic to the Middle East and Asia. (Full article...)
Trimeresurus strigatus, commonly known as the horseshoe pitviper, is a venomous pitviper endemic to the Western Ghats. No subspecies are currently recognized. (Full article...)- Crotalus cerastes
Rattlesnakes are a group of venomous snakes of the genera Crotalus and Sistrurus of the subfamily Crotalinae (the pit vipers). The scientific name Crotalus is derived from the Greek κρόταλον, meaning "castanet". The name Sistrurus is the Latinized form of the Greek word for "tail rattler" (Σείστρουρος, seistrouros) and shares its root with the ancient Egyptian musical instrument the sistrum, a type of rattle. The 36 known species of rattlesnakes have between 65 and 70 subspecies, all native to the Americas, ranging from southern Alberta, Saskatchewan, and southern British Columbia in Canada to central Argentina. (Full article...)
The woma python (Aspidites ramsayi), also known commonly as Ramsay's python, the sand python, and simply the woma, is a species of snake in the family Pythonidae. The species is endemic to Australia. Once common throughout Western Australia, it has become critically endangered in some regions. (Full article...)- Tree viper may refer to: (Full article...)
The Chinese cobra (Naja atra), also called Taiwan cobra, is a species of cobra in the family Elapidae, found mostly in southern China and a couple of neighboring nations and islands. It is one of the most prevalent venomous snakes in China and Taiwan, which has caused many snakebite incidents to humans. (Full article...)
Euprepiophis conspicillata, commonly known as the Japanese forest rat snake, is a species of nonvenomous colubrid snake endemic to Japan. Its Japanese common name, jimuguri, roughly translates to "the burrower". It is closely related to Euprepiophis mandarinus, the Mandarin rat snake. (Full article...)- (Full article...)
- Echis carinatus in Mangaon, (Maharashtra, India)
Echis (common names: saw-scaled vipers, carpet vipers) is a genus of venomous vipers found in the dry regions of Africa, the Middle East, India, Sri Lanka and Pakistan. They have a characteristic threat display, rubbing sections of their body together to produce a "sizzling" warning sound. The name Echis is the Latin transliteration of the Greek word for "viper" (ἔχις). Their common name is "saw-scaled vipers" and they include some of the species responsible for causing the most snakebite cases and deaths in the world. Twelve species are currently recognized. (Full article...) - Ottoman viper, Vipera xanthina
The Viperidae (vipers) are a family of venomous snakes found in most parts of the world, with the exception of Antarctica, Australia, Hawaii, Madagascar, various other isolated islands, and north of the Arctic Circle. All have relatively long, hinged fangs that permit deep penetration and injection of snake venom. Four subfamilies are currently recognized. They are also known as viperids. The name "viper" is derived from the Latin word vipera, -ae, also meaning viper, possibly from vivus ("living") and parere ("to beget"), referring to the trait viviparity (giving live birth) common in vipers but not in snakes at large. (Full article...) - Dark spotted anaconda natural range
Eunectes deschauenseei is a boa species endemic to northeastern South America. No subspecies are currently recognized. Like all boas, it is a non-venomous constrictor. (Full article...)
Trimeresurus stejnegeri is a species of venomous pit viper endemic to Asia. Two subspecies are currently recognized, including the nominate subspecies described here. (Full article...)
Artículos seleccionados sobre lagartos
- Sphaerodactylus ariasae , comúnmente llamadoJaragua sphaerooJaragua enano gecko, es laespeciemás pequeñade lagarto de lafamilia Sphaerodactylidae. ( Artículo completo ... )
Draco cornutus is a species of "flying dragon", an agamid lizard. It is endemic to Borneo. It occurs at elevations up to 700 m (2,300 ft) above sea level, although its distribution is poorly known. (Full article...)
The Alfa Romeo Iguana is a concept car produced by Alfa Romeo in 1969. It was designed by Giorgetto Giugiaro at Italdesign. (Full article...)
The rock monitor (Varanus albigularis) is a species of monitor lizard in the family Varanidae. The species is endemic to Central, East, and southern Africa. It is the second-longest lizard found on the continent, and the heaviest-bodied; locally, it is called leguaan or likkewaan. (Full article...)- The short-limbed bend-toed gecko (Mediodactylus brachykolon) is a species of gecko. The gecko is distinguished from others due to its distinctly short limbs, stout body and large head. In appearance the it is similar to Altiphylax stoliczkai and Altiphylax baturensis.
The name of the gecko comes from Greek: brachys- (meaning short) and kolon (meaning limb). (Full article...)
The Transvaal dwarf chameleon (Bradypodion transvaalense) is a chameleon native to South Africa, where it is found in forested areas of Mpumalanga and Limpopo provinces. It is also known as the Wolkberg dwarf chameleon, after the Wolkberg range. (Full article...)
The ornate monitor (Varanus ornatus) is a monitor lizard that is native to West and Middle Africa. Comprehensive molecular analyses of the group have demonstrated that animals previously assigned to "Varanus ornatus" do not constitute a valid taxon and are actually polymorphisms of two different species; Varanus stellatus (west African Nile monitor) and Varanus niloticus (Nile monitor). Consequently, Varanus ornatus is considered a synonym of Varanus niloticus and "ornate monitor" is an informal term for forest forms of either species (V. niloticus or V. stellatus).
Until 1997, the ornate monitor was considered a subspecies of the Nile monitor. It was subsequently described as a separate species on the basis of reduced number of ocelli rows on the body, a light coloured tongue and a more massive build. More recent work based on a large sample size using mitochondrial and nuclear DNA sequences indicates that Varanus ornatus is not a valid species and that animals with the diagnostic appearance belong either of two sister species of Nile monitor. Animals described as ornate monitor lizards are native to closed canopy forests in West and Middle Africa. (Full article...)- Hemidactylus is a genus of the common gecko family, Gekkonidae. It has 174 described species, newfound ones being described every few years. These geckos are found in all the tropical regions of the world, extending into the subtropical parts of Africa and Europe. They excel in colonizing oceanic islands by rafting on flotsam, and are for example found across most of Polynesia. In some archipelagoes, cryptic species complexes are found. Geckos like to live in and out of houses. They have been introduced to Australia. (Full article...)
- West Indian iguana may refer to: (Full article...)
The tropical house gecko, Afro-American house gecko or cosmopolitan house gecko (Hemidactylus mabouia) is a species of house gecko native to sub-Saharan Africa. It is also currently found in North, Central and South America and the Caribbean, where it has been inadvertently introduced by humans. (Full article...)
The Indo-Pacific gecko (Hemidactylus garnotii) also known as Garnot's house gecko, the fox gecko, or the Assam greyish brown gecko, is a species of gecko found in India, the Philippines, Southeast Asia, Australia, and throughout Polynesia. Adults are about 4 to 5 in (10 to 13 cm) in total length (including tail). They are seen as dark gray or brown with light markings in daylight and a pale, translucent colour at night. The belly is orange or yellow. The head has a long, narrow snout, hence the name fox gecko. The flattened tail has a row of spiny scales on the lateral edges. The species is parthenogenic – all individuals are female and lay eggs that hatch without requiring male fertilisation. (Full article...)- Common leopard gecko (Eublepharis macularius)
The genus Eublepharis, of which one known type is The Leopard Gecko, were first described by the British zoologist John Edward Gray in 1827. The etymology of their name is 'eu' = good (=true) |'blephar' = eyelid, and all have fully functional eyelids. Members of this genus are found in eastern and southwestern Asia where they reside in rocky grassland habitats. These geckos are sturdily built. Their tail is shorter than their snout–vent length and their body is covered with numerous wart-like bumps. The toes do not have adhesive lamellae or membranes (Eublepharis cannot climb like their other gecko cousins). Eublepharis are crepuscular or nocturnal ground-dwellers. Included in this group is the popular pet gecko: the leopard gecko. It is especially popular in the United States, where there are nearly 3 million captive bred leopard geckos. A common misconception about leopard geckos is that they live in dry, arid deserts, but they are from rocky grasslands in southwestern Asia, including northern India, Afghanistan and Pakistan. They avoid deserts and places with low water and prefer areas of low sunlight. (Full article...)
Lepidodactylus lugubris, known as the mourning gecko or common smooth-scaled gecko, is a species of lizard, a gecko of the family Gekkonidae. (Full article...)- Robertson dwarf chameleon (Bradypodion gutturale) at Anysberg Nature Reserve
Bradypodion (meaning "slow-footed" in Greek) is one of six genera of chameleons within the "true" or "typical" chameleons (Family Chamaeleonidae). They are native to southern Africa, and are sometimes collectively called South African dwarf chameleons. Some other small chameleons from eastern and central Africa are occasionally placed herein, but this is probably in error and not followed here. See also Systematics below and Kinyongia and Nadzikambia. (Full article...)
The western banded gecko (Coleonyx variegatus) is a species of gecko found in the southwestern United States (southern California, southwest New Mexico, southern Arizona, Utah, Nevada) and northern Mexico (Sonora, northwest Baja California). Five subspecies are recognized. (Full article...)
The crested gecko or eyelash gecko (Correlophus ciliatus) is a species of gecko native to southern New Caledonia. In 1866, the crested gecko was described by a French zoologist named Alphone Guichenot. This species was thought extinct until it was rediscovered in 1994 during an expedition led by Robert Seipp. Along with several Rhacodactylus species, it is being considered for protected status by the Convention on the International Trade in Endangered Species of Wild Flora and Fauna. It is popular in the pet trade. (Full article...)
The Asian water monitor (Varanus salvator), also called common water monitor, is a large varanid lizard native to South and Southeast Asia. It is one of the most common monitor lizards in Asia, ranging from Sri Lanka and coastal northeast India to Indochina, Malay Peninsula, and Indonesian islands where it lives close to water. It is listed as Least Concern on the IUCN Red List. It was described by Laurenti in 1768 and is among the largest squamates in the world. (Full article...)
Gekko gecko, the tokay gecko, is a crepuscular arboreal gecko in the genus Gekko, the true geckos. It is native to Asia and some Pacific Islands. (Full article...)
Draco timoriensis, also known as the Timor flying dragon, is a species of lizard endemic to the Lesser Sunda Islands in Indonesia and East Timor. (Full article...)
The Drakensberg dwarf chameleon (Bradypodion dracomontanum) occurs in the Drakensberg, South Africa, between the latitudes of 27°45′ and 29°15′. Bright green dwarf chameleons (emerald dwarf chameleon) found in the Drakensberg south of 29°15′ are now known to be more closely related to the Natal Midlands dwarf chameleon (Bradypodion thamnobates) and may yet be described as a separate species. Picture (Full article...)
The Galapagos land iguana (Conolophus subcristatus) is a species of lizard in the family Iguanidae. It is one of three species of the genus Conolophus. It is endemic to the Galápagos Islands (Ecuador), in the dry lowlands of Fernandina, Isabela, Santa Cruz, North Seymour, Baltra, and South Plaza Islands. (Full article...)
The Jamaican iguana (Cyclura collei) is a large species of lizard in the family Iguanidae. The species is endemic to Jamaica. It is the largest native land animal in Jamaica, and is critically endangered, even considered extinct between 1948 and 1990. Once found throughout Jamaica and on the offshore islets Great Goat Island and Little Goat Island, it is now confined to the forests of the Hellshire Hills. (Full article...)- Draco blanfordii,
in Khao Sok National Park, Thailand
Draco blanfordii, commonly known as Blanford's flying dragon, Blandford’s flying lizard, or Blanford's gliding lizard, is a species of "flying" lizard in the family Agamidae. The species is endemic to Asia, and is capable of gliding from tree to tree. (Full article...)
Setaro's dwarf chameleon (Bradypodion setaroi ) is a species of lizard in the family Chamaeleonidae. (Full article...)
The black roughneck monitor, Varanus rudicollis, is a species of monitor lizard found in Southeast Asian countries of Thailand, Burma, and Malaysia. It is also found in Indonesia on Sumatra and islands of the Riau Archipelago It is sometimes known simply as the roughneck monitor. In Thailand is called h̄èā cĥāng (Thai: เห่าช้าง; "elephant bark"). (Full article...)
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Seleccionados de tortuga artículos
La tortuga del templo de cabeza amarilla ( Heosemys annandalii) es una especie grande de tortuga de la familia Geoemydidae . La especie es originaria del sudeste asiático . ( Artículo completo ... )- Beale's eyed turtle (Sacalia bealei) is a species of turtle in the family Geoemydidae (formerly Bataguridae). This species has a yellowish-brown, smooth, rather depressed carapace spotted with black with a olive-green head. Another form of this species has a brown carapace. In both forms, there are two pairs of black-centered ocelli on the back of the head which is peppered with black spots. This is a turtle of moderate size and will grow up to a maximum length of 18 cm (7 inches). This nocturnal species lives in mountain streams at all elevations (but with a preference for heavily forest-covered streams with many large stones so as to provide shelter) and feeds on crayfish and worms, and accepts meat in captivity. This timid and nervous species will scramble and flail wildly with its claws when handled and is reported to lay 6 eggs at a time. The nests are often half-buried by leaves and soil, and the entire nesting process may take up to 165 minutes. (Full article...)
The African softshell turtle or Nile softshell turtle (Trionyx triunguis) is a large species of turtle from fresh-water and brackish habitats in Africa (larger parts of East, West and Middle Africa) and the Near East (Israel, Lebanon, Syria and Turkey). It is the only extant species from the genus Trionyx, but in the past many other softshell turtles were placed in this genus; they have now been moved to various other genera. Despite the name "African softshell turtle", it is not the only species or genus of softshell turtle in Africa (the genera Cyclanorbis and Cycloderma are also African). It is a very large species of softshell turtle, with sizes that range from 85 to 94 cm, a weight of 40 kg, and an unconfirmed max size of 120 cm. They are omnivores in diet, consuming small fish, crustaceans, and also palm seeds and fallen leaves. (Full article...)
The Nubian flapshell turtle or Nubian soft-shelled turtle (Cyclanorbis elegans) is one of two species of softshell turtle in the genus Cyclanorbis of the Trionychidae family. It has historically been found in a wide range spanning Benin, Central African Republic, Chad, Ethiopia, Ghana, Nigeria, Sudan, and Togo. However, it has been very rarely recorded during the last 50 years (not a single individual has been observed during the last 15 years) and there is little hope that the species is extant in Ghana, Benin, Togo, Nigeria and Cameroon. In early 2019, a remnant population was found in the White Nile wetlands in South Sudan by Prof. Luca Luiselli and his team. (Full article...)
The big-headed pantanal swamp turtle or pantanal swamp turtle (Acanthochelys macrocephala) is a species of turtle in the family Chelidae found in Argentina, Bolivia, Brazil, and Paraguay. (Full article...)
The Fitzroy River turtle (Rheodytes leukops) is a species of freshwater turtle in the family Chelidae. It is the only surviving member of the genus Rheodytes, the other member being the extinct form Rheodytes devisi. The species is endemic to south eastern Queensland, Australia and only found in tributaries of the Fitzroy River. (Full article...)- The tricarinate hill turtle or three-keeled land turtle (Melanochelys tricarinata) is a species of turtle found in northeastern India, Bangladesh, and Nepal. (Full article...)
- The African dwarf mud turtle (Pelusios nanus) is a species of turtle in the family Pelomedusidae. It is endemic to Africa : in Angola, the Democratic Republic of the Congo, Malawi, and Zambia. (Full article...)
- Melanochelys trijuga
The Indian black turtle (Melanochelys trijuga) or Indian pond terrapin is a species of medium-sized freshwater turtle found in South Asia. (Full article...)
The golden coin turtle or Chinese three-striped box turtle (Cuora trifasciata) is a species of turtle endemic to southern China and northern Vietnam. (Full article...)
The Cochin forest cane turtle (Vijayachelys silvatica), also known as Kavalai forest turtle, forest cane turtle or simply cane turtle, is a rare turtle from the Western Ghats of India. Described in 1912, its type locality is given as "Near Kavalai in the Cochin State Forests, inhabiting dense forest, at an elevation of about 1500 feet above sea level". Only two specimens were found at that time, and no scientist saw this turtle in the next 70 years. It was finally rediscovered in 1982, and since then a number of specimens have been found and some studies have been conducted about its affiliation and habits. (Full article...)
The Arrau turtle (Podocnemis expansa), also known as the South American river turtle, giant South American turtle, giant Amazon River turtle, Arrau sideneck turtle or simply the Arrau, is the largest of the side-neck turtles (Pleurodira) and the largest freshwater turtle in Latin America. The species primarily feeds on plant material and typically nests in large groups on beaches. Due to hunting of adults, collecting of their eggs, pollution, habitat loss, and dams, the Arrau turtle is seriously threatened. (Full article...)
The hawksbill sea turtle (Eretmochelys imbricata) is a critically endangered sea turtle belonging to the family Cheloniidae. It is the only extant species in the genus Eretmochelys. The species has a worldwide distribution, with Atlantic and Indo-Pacific subspecies—E. i. imbricata and E. i. bissa, respectively. (Full article...)
The four-eyed turtle (Sacalia quadriocellata) is a reptile of the order Testudines. Its name refers to two bright yellow or green spots that occur on the back of its head that can look like another pair of eyes. (Full article...)
The loggerhead sea turtle (Caretta caretta), is a species of oceanic turtle distributed throughout the world. It is a marine reptile, belonging to the family Cheloniidae. The average loggerhead measures around 90 cm (35 in) in carapace length when fully grown. The adult loggerhead sea turtle weighs approximately 135 kg (298 lb), with the largest specimens weighing in at more than 450 kg (1,000 lb). The skin ranges from yellow to brown in color, and the shell is typically reddish brown. No external differences in sex are seen until the turtle becomes an adult, the most obvious difference being the adult males have thicker tails and shorter plastrons (lower shells) than the females. (Full article...)- Adult specimen
The wood turtle (Glyptemys insculpta) is a species of turtle endemic to North America. It is in the genus Glyptemys, a genus which contains only one other species of turtle: the bog turtle (Glyptemys muhlenbergii ). The wood turtle reaches a straight carapace length of 14 to 20 centimeters (5.5 to 7.9 in), its defining characteristic being the pyramidal shape of the scutes on its upper shell. Morphologically, it is similar to the bog turtle, spotted turtle (Clemmys guttata), and Blanding's turtle (Emydoidea blandingii). The wood turtle exists in a broad geographic range extending from Nova Scotia in the north (and east) to Minnesota in the west and Virginia in the south. In the past, it was forced south by encroaching glaciers: skeletal remains have been found as far south as Georgia. (Full article...) - Claudius angustatus
in an aquarium
The narrow-bridged musk turtle (Claudius angustatus) is a species in of turtle in the family Kinosternidae. The species is endemic to Central America and Mexico. (Full article...) - The Chinese broad-headed pond turtle (Mauremys megalocephala) is a species of turtle in the family Geoemydidae.
It is endemic to China. (Full article...)
The Malaysian giant turtle or Bornean river turtle (Orlitia borneensis) is a species of turtle in the family Bataguridae. It is monotypic within the genus Orlitia. It is found in Indonesia and Malaysia. (Full article...)- Japanese pond turtle (Mauremys japonica)
The Japanese pond turtle (Mauremys japonica) is a species of turtle in the family Geoemydidae endemic to Japan. Its Japanese name is nihon ishigame, Japanese stone turtle. Its population has decreased somewhat due to habitat loss, but it is not yet considered a threatened species. (Full article...)
The red side-necked turtle (Rhinemys rufipes), red turtle, red-footed sideneck turtle, William's toadhead turtle, or red-footed Amazon side-necked turtle is a monotypic species of turtle in the family Chelidae. It is found in Colombia and possibly Peru and Brazil. (Full article...)- Pritchard's snake-necked turtle (Chelodina pritchardi) is a species of turtles in the family Chelidae. The species is endemic to a restricted area of Central Province, Papua New Guinea. (Full article...)
The furrowed wood turtle (Rhinoclemmys areolata) is a species of turtle belonging to the genus Rhinoclemmys of the family Geoemydidae found in the Yucatán Peninsula and adjacent regions of Central America. (Full article...)- Northern snapping turtle is a common name for several turtles and may refer to: (Full article...)
- Female searching for nest site
The common snapping turtle (Chelydra serpentina) is a large freshwater turtle of the family Chelydridae. Its natural range extends from southeastern Canada, southwest to the edge of the Rocky Mountains, as far east as Nova Scotia and Florida. The three species of Chelydra and the larger alligator snapping turtles (genus Macrochelys) are the only extant chelydrids, a family now restricted to the Americas. The common snapping turtle, as its name implies, is the most widespread. (Full article...)
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