Some frogs are poisonous because of what they eat, not because they produce poison themselves. In the wild, certain brightly colored frogs feed on specific ants that contain toxic chemicals called ...

Some frogs are poisonous because of what they eat, not because they produce poison themselves. In the wild, certain brightly colored frogs feed on specific ants that contain toxic chemicals called ...

Researchers discovered that a poison frog species described decades ago was based on a mix-up involving the wrong museum specimen. The frog tied to the official species name turned out to be brown, ...