Shape matters as well as size in the great range of male frog show-off equipment for competitive seductive serenades.

Most everyone recognizes frogs. Frogs, like salamanders and newts, are amphibians. Unlike salamanders, they have made a major evolutionary detour from the body plan of their ancient ancestors. The ...

The metallic poison frog, active during daytime hours, has a long-lasting trill, or call, of 21–45 notes. While perched on ...

The larvae are aquatic and free-swimming—frogs and toads at this stage are called tadpoles. At a certain size, the young develop limbs and lungs. Some also lose their tails. Eventually ...

Physical restraint of larger frogs. Medium and large frogs and toads (>5 g) should be grasped around their waist with their hind limbs fully extended. The handler should make sure the frog cannot ...

They were poison dart frogs, and they were unlike any others the expedition team had seen before. Jet back with metallic turquoise-green stripes and orange “chrome” limbs, these frogs were ...