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 ...

When hibernating a bear will lose up to a third of its body weight and only breathe once a minute. The sloth bear has lost two of its front teeth and has flaps which cover its nostrils so that it ...

Two sloth bear cubs born at the San Diego Zoo in late 2024 made their first public appearance on Thursday. The zoo shared a clip of the cubs emerging from their private den with their mother Shala.