Walrus — The walrus (Odobenus rosmarus) is a large flippered marine mammal with a discontinuous circumpolar distribution in the Arctic Ocean and sub-Arctic seas of the Northern Hemisphere. The walrus is the only living species in the Odobenidae family and is further subdivided into two or three subspecies; the Atlantic walrus (O. rosmarus rosmarus), the Pacific walrus (O. rosmarus divergens) …

Wallaby — A wallaby is any of about thirty species of macropod (Family Macropodidae). It is an informal designation generally used for any macropod that is smaller than a kangaroo or wallaroo that has not been given some other name. Very small forest-dwelling wallabies are known as pademelons (genus Thylogale) and dorcopsises (genera Dorcopsis and Dorcopsulus). The name wallaby comes …

Tree Shrew — The treeshrews (or tree shrews) are small mammals native to the tropical forests of Southeast Asia. They make up the families Tupaiidae and Ptilocercidae and the entire order Scandentia. There are 20 species in 5 genera. Treeshrews have the highest brain to body mass ratio of any animal, even higher than humans. Although called treeshrews, they are …

Tenrec — Tenrecidae (common name tenrecs) is a family of mammals found on Madagascar and parts of Africa. Tenrecs are widely diverse, resembling hedgehogs, shrews, opossums, mice and even otters, as a result of parallel evolution. They can occupy several environments including aquatic, arboreal, terrestrial and fossorial. Some of these species can be found in the Madagascar dry deciduous forests, …

Tasmanian Devil — The Tasmanian Devil (Sarcophilus harrisii), also referred to simply as ‘the devil’, is a carnivorous marsupial now found in the wild only in the Australian island state of Tasmania. The Tasmanian Devil is the only extant member of the genus Sarcophilus. The size of a small dog, but stocky and muscular, the Tasmanian Devil is now the …

Tayra — The Tayra (Eira barbara), also known as the Tolomuco or Perico ligero in Central America, is an omnivorous animal from the weasel family Mustelidae. It is the only species in the genus Eira. Tayras have an appearance similar to weasels and martens, growing to a size of about 60 cm, not including a 45 cm long tail. Most …

Tasmanian Wolf — The Thylacine was the largest known carnivorous marsupial of modern times. Native to Australia and New Guinea, it is thought to have become extinct in the 20th century. It is commonly known as the Tasmanian Tiger (due to its striped back), the Tasmanian Wolf, and colloquially the Tassie (or Tazzy) Tiger or simply the Tiger. It was …

Tarpan — The Tarpan, Equus ferus ferus, was the Eurasian wild horse. The last specimen of this species died in captivity in Ukraine in 1918 or 1919. Polish farmers often crossed the tarpan with their domestic horses. The result was a small horse breed, the Konik. Such animals, as the Konik, and also the Sorraia Horse preserved in Portugal, are …

Tarsier — Tarsiers are prosimian primates of the genus Tarsius, a monotypic genus in the family Tarsiidae, which is itself the lone extant family within the infraorder Tarsiiformes. Although the group was once more widespread, all the species living today are found in the islands of South East Asia. Tarsiers are small animals with enormous eyes and very long hind …

Tapir — Tapirs are large browsing mammals, roughly pig-like in shape, with short, prehensile snouts. They inhabit jungle and forest regions of South America, Central America, and Southeast Asia. All four species of tapir are classified as endangered or vulnerable. Their closest relatives are the other odd-toed ungulates, including horses and rhinoceroses. Size varies between types, but most tapirs are …