When large and warty cane toads were first brought to Australia nearly 100 years ago, they had a simple mission: to gobble up beetles and other pests in the sugarcane fields. Today, though, the toads ...

When biologists study cooperation in animals, they usually offer just a single task at a time. But what happens when animals can choose among several opportunities to work together? Biologists at ...

Add Yahoo as a preferred source to see more of our stories on Google. Animal nervous systems may lose their adaptive edge with climate change. PM Images/DigitalVision via Getty Images Human-driven ...

Some of the foundational studies in the field were neither ethical by today’s standards nor replicable. But we can do better. Unfortunately for both the field and the dogs themselves, the truth is ...

Group sleeping can impact when animals sleep, how long they sleep for, and how deeply they sleep. For example, groups of meerkats time their sleep according to 'sleep traditions'; olive baboons sleep ...

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 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 ...