Scuba divers have supplied scientists with 13 film clips and three detailed descriptions of coral reef fish using rocks as anvils to break open hard-shelled sea creatures. The authors of a study ...

Parrots are some of the most iconic birds on the planet. And while we may commonly associate them with pirates in movies, many people keep them as pets. However, not everyone knows what features ...

Animal training can teach carrion crows to use a stick tool to retrieve food. With increasing practice, they not only demonstrate great skill and achieve their objective in a few steps, they also ...