1. Tasmanian Devil :
The Tasmanian devil is a carnivorous marsupial native to the island of Tasmania. It is one of the world's largest carnivorous and gets its name from its ferocious growl which sounds quite like a devilish screech. Despite its fierce appearance, this species usually avoids human contact and only become aggressive when threatened or in search for food.
Tasmanian Devils are nocturnal creatures with strong jaws enabling them to feed on any animal as small as insects to as big as a wallaby [Animal]. Unfortunately, the Tasmanian Devil faces many threats due to disease and habitat loss. The average size of a Tasmanian devil is 50 to 80 centimeters (20 to 31 inches) in length and 4 to 12 kilograms (9 to 26 pounds) in weight.
2. Saiga Antelope :
The saiga antelope (Saiga tatarica) is a species of antelope that is native to the grasslands and semi-deserts of Central Asia. They adapted to harsh and dry environments. They are migratory species. They move from summer to winter ranges for food. It is a herbivorous.
They weight up to 60 Kilogram(132 pounds). They heights are up to 90 Centimeter (35 inches shoulder) and have a length of body 140 centimeter (55 inches). The main reason for it's extinction is of human threat. They hunted it down for medicine and the agricultural and urbanization tend to the extinction of this species.
3. Pinata Island Tortoise :
The Pinta Island tortoise (Chelonoidis abingdonii) was a subspecies of giant tortoise that was native to the Galapagos Islands, a group of volcanic islands located off the coast of Ecuador in South America. The Pinta Island tortoise was a herbivore and fed on a variety of grasses and other plants. It played a vital role in the ecosystem of the Galápagos Islands, helping to disperse seeds and shape the landscape.
The adults weighing up to 250 kilograms (550 pounds) and reaching lengths of up to 1.5 meters (5 feet). The Pinta Island tortoise had a distinctive, domed shell that was typically yellow or orange in color, and it had a powerful, thick neck and strong legs that were adapted for life on land. The main reason for the extinction is because of the habitat loss because of the introduction of non native species.
4. Saber Toothed Tiger:
The Saber-Toothed Tiger, otherwise known as the Smilodon Fatalis. It was a large and ferocious carnivore that roamed the world for thousands of years until extinction about 10,000 years ago. It had short legs and a big head with formidable sabre-shaped canines. Its strong jaws allowed it to hunt prey up to three times its own weight using powerful gripping bites.
Even more impressive was its ability to pounce accurately onto unsuspecting scavengers such as deer and small bison in order to secure an easy meal. Its large size made it both an impressive predator. Saber toothed tiger curved tooth was 17 centimeter(7 inches) in some species. They are about 1 meter tall(3 feet) and they weight over 600 kilograms(1300 pounds).
5. Giant Sloth:
The Giant Sloth is an extinct mammalian species whose remains have been found in North and South America. During the Pleistocene epoch, approximately 2.5 million to 11,000 years ago it became extinct. Even now the origin is unknown to this Giant Sloth.
Giant sloths were herbivores and fed on a variety of plants, including leaves, twigs, and fruits. They were slow-moving animals and spent much of their time resting in trees or on the ground. The largest species, the Megatherium, was up to 4 meters (13 feet) tall and weighed up to 4 metric tons. The main reason for it's extinction is because of climate change, habitat loss, competition with other animals.
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