A tiger walks the same worn groove along the edge of its exhibit, like a broken record. A parrot methodically plucks out its own feathers until bare skin shows through. To a casual visitor, these can ...

For humans, feces are last on the list of things we’d place near our mouth. In the animal world, that reaction does not ...

The video presents six unusual animal behaviors that continue to attract scientific attention. Each segment features recorded footage of animals displaying actions that differ from typical patterns.

A perspective in the Journal of the Royal Society Interface argues that advances in AI, sensing technologies and modeling are ...

Rare observations show Atlantic puffins holding sticks to reach itchy spots, suggesting tool-like behavior beyond nest ...

Add Yahoo as a preferred source to see more of our stories on Google. Japanese macaques at Joshin-etsu National Park in Japan. (Peter Adams / Getty Images file) (Peter Adams) Humans are far from the ...

A new study comparing 59 species of primates linked same-sex sexual behavior to scarce resources and more predators in socially complex species. The findings show diverse sexual behaviors are common — ...

What is a kiss? To a scientist it is “oral to oral contact with mouth movement without food transfer .” Doesn’t that sound ...

Detail that zoochosis can come from a variety of factors, including social isolation, small enclosures, noisy visitors, and lack of enrichment. Explore how zoos are working to reduce zoochosis through ...