South American megafauna, from giant sloths to camel-like creatures, survived thousands of years longer than we thought, ...

Indeed, after observing the relationship between extinct giant sloths and living species, Darwin developed his “law of ...

At age 75, Vadevino Alano keeps up a brisk pace as he strides through the forest on the way to the Armadillo’s Den — a ...

The extinct giant ground sloths were some of the only mammals that had digestive systems large enough to process the huge avocado seeds whole. They feasted on the fruit and then dispersed the ...

The maned three-toed sloth is vulnerable, while the pygmy three-toed sloth is critically endangered and the sloth species at greatest risk of extinction. Sloths are primarily folivores, feeding mostly ...

Sloths are notable for their low energy levels and slow, deliberate movements (hence their name). They are part of a larger group known as the Xenarthra, which includes their distant relatives the ...

The sloth and bison species have been extinct for at least 10,000 years. La Brea Tar Pits La Brea Tar Pits The discovery was made on 16 May and it took scientists at the La Brea Tar Pits and ...

An international team of researchers has suggested a "wild" new theory to explain the creation of these mysterious ancient ...

Without many other mammalian competitors, those early lemurs evolved into a dizzying array of forms, everything from teacup-sized mouse lemurs to giant sloth lemurs. Many of these lemurs have ...

As the Sloth Conservation Foundation noted, 40 percent of sloths globally are threatened with extinction. This is in large part because humans have been encroaching on their native habitat.

A recent study developed a new regression model to estimate the body mass of extinct xenarthrans, a group that includes armadillos and sloths, which showed a high correlation and predictive ...