Dear Cathy, I just got two little kittens. One ended up with diarrhea and did not make it to the litter box. He has been to ...

A guanaco successfully retrieves food from a cup with a lid. Trimmed from Caicoya et al. via Proceedings of the Royal Society B under CC BY 4.0 Hoofed animals that are outsiders in their social groups ...

Increasing urbanization has crowded out many wild animals. But raccoons appear to be thriving, living in cities across the country and even expanding their historical range. To investigate what ...

Nature doesn’t just surprise us; it prototypes ideas we’d swear came from a movie. Some animal skills look like planned gadgets: built-in sonar, living bridges, and even tool belts. Others are old ...