Scientists have recorded same-sex behavior across many animal groups, including mammals, birds, and reptiles. Still, the meaning of that behavior depends on the species and the context. Behavior that ...

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 ...

Why is it that a squirrel may calmly take food from a picnic table while a deer runs as if its life depends on it at the snap ...

In the natural world—where predators pounce, prey flee, and group members feed and sleep in solidarity—animal behavior is glorious in its variety. Now, new research suggests there may be an underlying ...

Same-sex behavior is common across the animal kingdom—more than 1,500 species are estimated to have been observed engaging in same-sex behavior, from spiders and nematodes to bonobos and fish. Still, ...

A new study found that subtle differences in an animal’s behavior by midlife can predict how long it is likely to live.

As a career ethologist, I was thrilled when I learned about Dr. Matthew Calarco's new and highly original book titled The Three Ethologies: A Positive Vision for Rebuilding Human-Animal Relationships.