This video breaks down the fascinating biology behind the vibrant warning systems of poison frogs, exploring how nature ...

Some harlequin frogs have lost their poison—and their ability to defend themselves. Scientists are on the case.

Florida is often called the state with the most invasive animals, and a few of those are frogs and toads that have settled into its warm climate. With its abundant wetlands, forests, rivers, and ...

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 ...

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 ...

Scientists have discovered a new species of poisonous frog—brightly colored and measuring just a few millimeters—in the Amazon, according to a Peruvian government agency in charge of environmental ...

The phantasmal poison frog, Epipedobates anthonyi, is the original source of epibatidine, discovered by John Daly in 1974. Epibatidine has not been found in any animal outside of Ecuador, and its ...

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, ...

Poison? What poison? Some bacteria may treat the powerful toxins bathing poison dart frog skin like a buffet. The alkaloid chemicals that poison dart frogs wield on their skin increase the variety of ...