Unlike now, most extinct sloths lived on the ground and some were many times larger than modern tree sloths. Mylodon darwinii is the scientific name for a species of extinct giant ground sloth. On ...

Nearly 12,600 years ago, during the Late Pleistocene era, a group of humans hunted and killed a giant ground sloth in Argentina, then left the animal's bones behind, along with their butchering knife.

Sloths were not always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge — up to four tonnes — and when startled, they brandished immense claws. For a long time ...

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 ...

as they were well adapted to different environments on the ground and even at sea. Based on the fossil records and genetic studies, the three-toed sloth is related to giant ground sloths, including ...

Nearly 27,000 years ago, a giant ground sloth traveled across a barren, arid landscape in what is now Belize, munching on grassy vegetation and searching for water. A nearby sinkhole may have ...

Jens Christian Svenning at a fossilized skeleton of a giant ground sloth, Lestodon armatus, on display in the Natural History Museum, New York Credit must be given to the creator. Only ...

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 ...