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 ...

Paleontologist Thaís Pansani standing in front of a reconstructed giant ground sloth skeleton at the Smithsonian National Museum of Natural History. AP SAO PAULO (Associated Press ...

This was the reality in the Americas, where giant sloths and mastodons thrived alongside our ancestors for thousands of years. Recent discoveries have shed light on this period, suggesting that ...

Sloths weren’t always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge — up to four tons (3.6 metric tons) — and when startled, they brandished immense claws. For a ...

SAO PAULO (AP) — Sloths weren’t always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge — up to 4 tons (3.6 metric tons) — and when startled, they brandished immense ...

See some of the most complete fossils of these prehistoric sea animals, including ichthyosaurs and plesiosaurs, and learn about the work of pioneering palaeontologist Mary Anning. Plus, look out for ...

SAO PAULO, Brazil (AP) — Sloths weren’t always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge – up to 4 tons – and when startled, they brandished immense claws. For a long ...