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The largest living amphibian is the 1.8 m (5 ft 11 in) Chinese giant salamander (Andrias davidianus) [41] but this is a great deal smaller than the largest amphibian that ever existed—the extinct 9 m (30 ft) Prionosuchus, a crocodile-like temnospondyl dating to 270 million years ago from the middle Permian of Brazil. [42]
Additionally 1193 amphibian species (16% of those evaluated) are listed as data deficient, meaning there is insufficient information for a full assessment of conservation status. As these species typically have small distributions and/or populations, they are intrinsically likely to be threatened, according to the IUCN. [ 2 ]
Tylototriton vietnamensis, the Vietnamese crocodile newt or Vietnamese knobby newt, is a species of newt in the family Salamandridae.It is known from four localities in northern Vietnam where it occurs in and near ponds within dense bamboo vegetation.
The temnospondyl Eryops had sturdy limbs to support its body on land Red-eyed tree frog (Agalychnis callidryas) with limbs and feet specialised for climbing Japanese giant salamander (Andrias japonicus), a primitive salamander The bright colours of the common reed frog (Hyperolius viridiflavus) are typical of a toxic species Wallace's flying frog (Rhacophorus nigropalmatus) can parachute to ...
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Due to limited resources, not every threatened species of amphibian can be held in captivity. As a result, the AArk and its partners created a resource called the Amphibian Conservation Needs Assessment, which is used to prioritize conservation efforts for different species and determine what methods are appropriate for conserving the species. [12]
Found at latitudes up to 71° N, it is the northernmost wild amphibian species. [4] Favoring lowlands, it is seldom encountered at elevations of more than 600 m. [1] A habitat generalist, Rana amurensis favors open ground, but is also found in both deciduous and coniferous forests. In the winter, it hibernates on pond bottoms.
A type of leaf-eating langur that has an unusually long and bushy tail with white hips. It is also one of the most endangered primates in the world. Only about 300 Delacour's langurs are alive today, and experts fear they could be completely extinct if the current rate of decline continues.