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

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

During the height of the COVID pandemic, headline stories were peppered with photos of deserted streets from the world’s largest metropolises. Universities quickly began to resemble ghost towns, as ...

Feeding wild animals might seem like a harmless act of kindness, but it often carries serious and unintended consequences.

Scientists studying the behavior of wild octopuses off the coast of Australia have made a strange discovery, with the creatures caught hurling silt, algae and even shells at one another. The finding ...

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 ...

Same-sex behavior is widespread in primates and may help strengthen social bonds and improve survival under challenging ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Officials with the Oklahoma City zoo said ...