Male blue-lined octopuses paralyze their mates to survive the perils of reproduction.

According to one app for nature observers, it's the most commonly seen creature in California: the western fence lizard. Why?

In a comprehensive study conducted at the Max Planck Institute for Evolutionary Biology, researchers tracked 244 wild-derived ...

Photograph by Christian Ziegler By banding together in coalitions—meaning groups of two or more animals, but usually three to ...

A new study shows female bonobos team up to fend off males in the wild. Scientists have long wondered why bonobos live in ...

New research out of the Max Planck Institute for Animal Behavior finds that female bonobos team up to keep male bonobos in ...

Female bonobos team up to suppress male aggression against them—the first evidence of animals deploying this strategy. In 85% of observed coalitions, females collectively targeted males, forcing them ...

However, observations by Dr. Surbeck and his team, and those of other researchers, challenge the harmonious stereotyping of ...

For decades it had remained a mystery why females of this primate species, though smaller than males, tend to claim high ...