Extinct Animals we'll never see again

23 Nov 2016 02:06 7
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Animals we'll never see again - Extinct Animals

1. Dodo Bird
The dodo (Raphus cucullatus) is an extinct flightless bird that was endemic to the island of Mauritius, east of Madagascar in the Indian Ocean. The dodo's closest genetic relative was the also extinct Rodrigues solitaire, the two forming the subfamily Raphinae of the family of pigeons and doves. The closest living relative of the dodo is the Nicobar pigeon. A white dodo was once thought to have existed on the nearby island of Réunion, but this is now thought to have been confusion based on the Réunion ibis and paintings of white dodos.

Subfossil remains show the dodo was about 1 metre (3 ft 3 in) tall and may have weighed 10.6–21.1 kg (23–47 lb). The dodo's appearance in life is evidenced only by drawings, paintings, and written accounts from the 17th century.

2 Tasmanian Tiger
The thylacine was the largest known carnivorous marsupial of modern times. It is commonly known as the Tasmanian tiger (because of its striped lower back) or the Tasmanian wolf. Native to continental Australia, Tasmania and New Guinea, it is believed to have become extinct in the 20th century. It was the last extant member of its family, Thylacinidae; specimens of other members of the family have been found in the fossil record dating back to the late Oligocene.

Surviving evidence suggests that it was a relatively shy, nocturnal creature with the general appearance of a medium-to-large-size dog, except for its stiff tail and abdominal pouch (reminiscent of a kangaroo) and dark transverse stripes that radiated from the top of its back, similar to those of a tiger. The thylacine was an apex predator, like the tigers and wolves of the Northern Hemisphere from which it obtained two of its common names. As a marsupial, it was not closely related to these placental mammals, but because of convergent evolution it displayed the same general form and adaptations. Its closest living relative is thought to be either the Tasmanian devil or the numbat.

3. Rhinoceros
A rhinoceros (/raɪˈnɒsərəs/, meaning "nose horn"), often abbreviated to rhino, is one of any five extant species of odd-toed ungulates in the family Rhinocerotidae, as well as any of the numerous extinct species. Two of these extant species are native to Africa and three to Southern Asia.

Members of the rhinoceros family are characterized by their large size (they are some of the largest remaining megafauna, with all of the species able to reach one tonne or more in weight); as well as by an herbivorous diet; a thick protective skin, 1.5–5 cm thick, formed from layers of collagen positioned in a lattice structure; relatively small brains for mammals this size (400–600 g); and a large horn. They generally eat leafy material, although their ability to ferment food in their hindgut allows them to subsist on more fibrous plant matter, if necessary. Unlike other perissodactyls, the two African species of rhinoceros lack teeth at the front of their mouths, relying instead on their lips to pluck food.

4. Caspian tiger
The Caspian tiger (Panthera tigris virgata), also known as the Hyrcanian tiger, the Mazandaran tiger, the Persian tiger and the Turanian tiger, is thought to be an extinct tiger subspecies that had been recorded in the wild before the end of the 20th century, and formerly inhabited the sparse forest habitats and riverine corridors west and south of the Caspian Sea, from Turkey, Iran and east through Central Asia into the Takla Makan desert of Xinjiang, China. Projects for restoration in these countries are underway with the Siberian tiger. Their diet probably consisted of mainly wild pigs and deer, and to a lesser extent horses and jungle cats. The Caspian tiger was one of the biggest cats to have ever lived.

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