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 ...

New research revealed that the first humans to arrive in the Americas lived alongside giant ground sloths for thousands of years, challenging previous theories about human migration and megafauna ...

The sloth is the world's slowest mammal, so sedentary that algae grows on its furry coat. The plant gives it a greenish tint that is useful camouflage in the trees of its Central and South ...

The wide muzzle of G. robustum suggests it was adapted for bulk-feeding on large quantities of poor-qualilty foliage such as grass. Recent detailed comparisons of the hyoid bones of ground sloths, ...