Most frogs defend themselves with toxins that sit passively in their skin, but only two species are known to go a step further and actively inject venom into anything that grabs them. These little ...

This newly discovered poison frog may represent an evolutionary step on the pathway towards developing brilliant warning coloration associated with other poison dart frogs. A small reddish-brown frog ...

A poisonous creature was found calling from garbage-filled pockets of forest in Colombia. Betancourth-Cundar M, Ríos-Orjuela JC, Crawford AJ, Cannatella DC, Tarvin RD (2025) ZooKeys In the communities ...

WASHINGTON (Reuters) - Ten new species of amphibians -- including three kinds of poisonous frogs and three transparent-skinned glass frogs -- have been discovered in the mountains of Colombia, ...