A tiger walks the same worn groove along the edge of its exhibit, like a broken record. A parrot methodically plucks out its ...

Pattern images merge outlines of an organism’s position at different timepoints to depict movement, providing a still image that increases LabGym’s accuracy in recognizing behavior types. Shown are ...

Learn how researchers tested a cow’s behavior and what her tool use reveals about animal intelligence.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Same-sex sexual ...

Every year, researchers and people out in nature capture some aspect of animal behavior that’s unusual or unexpected in some way, changing how we understand the natural world. For the first time, ...

Several years ago, Christian Rutz started to wonder whether he was giving his crows enough credit. Rutz, a biologist at the University of St. Andrews, in Scotland, and his team were capturing wild New ...

A total solar eclipse will be visible in North America today. Animals may start acting weirdly as the moon blocks out the sun. Scientists aren't completely sure how eclipses affect animal behavior.

Homosexual behavior is much more common across the animal kingdom than we first thought, new research has found. Scientists found that 78 percent of animal behavior experts had seen some degree of ...

Studying nonhuman animal behavior to determine how it applies to all behaviors, including human behaviors, warrants asking about purpose. If we are asking what all behaviors have in common, then it is ...