12,000 years ago, with the end of the Ice Age, the powerful and adaptable sloth disappeared along with many large Mammals of the Americas, the exact reason for which is still unclear to this day (until 2015). There is also some evidence that.........
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Ground sloths - extinction 12,000 years ago, with the end of the Ice Age, the powerful and adaptable ground sloths disappeared along with many large Mammals of the Americas, the exact reason for which is still unknown to this day (until 2015). There is also some evidence that some individuals of the sloth family may have survived for thousands of years in the forests and wilderness of South America. Over the past 100 years, a large number of fossils of ground sloths have been unearthed, and in some dry areas there are even "mummies" of sloths that preserve skin and hair, which makes it easier and more detailed to understand them.
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Species Introduction
The extinct paleo-toothed animals are named because they are closely related to sloths and live on the ground. There are a variety of which are famous such as Jay's Giant Claw Ground Sloth.
Thousands of years ago, the Americas were a vast lazy country. They are more striking than their cousins who live in trees, but may look just as strange. The Ground Sloth is a giant sloth, almost six meters long, and because it is quite late, it can be found in dry caves in North America with mummified skin and feces, helping us to accurately reconstruct its appearance and behavior. The greatest surprise came from the fossil trail of the earth sloth, which revealed the astonishing fact that these giants often walked upright on their back legs. The weight of these giant sloths is estimated to be as much as four tons (almost the weight of an African elephant), so walking on only two feet is a great pressure on their bones. The earth sloth is known to the world for its numerous skeletons, fossil footprints, and the feces and hairs of related animals. Fossils were found in the Americas, as far north as Texas and as far south as Argentina. Unlike its surviving relative sloth, the earth sloth must have been one of the most impressive animals that ever walked on Earth. It weighs almost as much as an elephant and has long claws on its feet. These claws mean they cannot put their feet flat on the ground, so like anteaters, they must walk on the side of their feet. Surprisingly, judging by its footprints, it mostly walks only on its hind feet.
The tongued sloth is closely related to the earth sloth and is a large, slow-moving herbivorous mammal with strong and sharp claws on both the forelimbs and hind limbs, hooking branches and grabbing leaves to nibble on. The hind limbs of the tongue sloth are not as strong as the earth sloth, so it is speculated that it cannot support the weight of the whole body on the hind limbs, but walks on four legs.
Species discovery
Four species of sloth have been found in the United States, including the Harlan's parabrand, the Jay's giant clawed sloth, the Eremotherium laurillardi, and the Shata's beast. All four species are large animals with large claws and are believed to be herbivorous.
Two species of ground sloths were found in the La Brea tar pits, namely The Harlan Parabrana and the Shattas. Harlan's parabras can be up to 6 feet tall when standing. The most common fossil of parabras in La Brea bitumen pits is the suprapital ossicles, i.e. small, rectangular spherical bones. These bones are embedded in the skin of the neck, shoulders and back, and may have been used as a defense predator. The other species, the Shata's wicked beast, is smaller and rarer in La Brea's asphalt pits.
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