C There are nearly 200 species of poison dart frogs, known for their bright colours and highly poisonous skin. Not only are they beautiful,they can also do a kind of tapdance. The frogs have a habit of tapping the middle toes on their back feet. Scientists have never fully worked out ...
says Santos. Most of the 300 known poison dart frogs are diurnal, whereas most other frogs, including all of the poison dart frogs' likely ancestors, are active at night. "We expect that diurnality is derived from a nocturnal ancestor," says Santos. ...
The golden poison dart frog ingests the components of the poison through its natural diet, and secretes the poison onto its skin as a defense mechanism. Scientists are still unsure exactly which prey provides the lethal substance, but do know that captive-bred frogs without access to wild food...