If not for a pair of Smithsonian scientists, the fingernail-size frog from Brazil would have likely gone extinct without ever being described ...

From the brightly colored poison frogs of South America to the prehistoric-looking newts of the Western US, the world is filled with beautiful, deadly amphibians. Just a few milligrams of the newt’s ...

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 ...

The “metallic poison frog” Ranitomeya aquamarina (left) and the “heavenly” Ranitomeya aquamarina (right) are the first newly discovered species in their genus in 13 years. That long trek for humans is ...

It’s not often one hears the phrases “poison dart frog” and “family friendly” in the same description of an event, but the Bohart Museum of Entomology at U.C. Davis insists its upcoming open house ...

The golden poison dart frog looks harmless — small, brightly colored, and no larger than a light bulb. But it is one of the ...

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 ...

In the forests of western Brazil, along the banks of a Juruá River tributary, researchers came upon more than a dozen tiny creatures, smaller than a nickel, flaunting bright colors that warned: “stay ...

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 ...

Poison frogs exhibit one of nature’s most fascinating adaptations through the acquisition and use of chemical defences. These amphibians predominantly obtain potent alkaloid toxins not via endogenous ...

They shine in vibrant red, rich blue, or bright green—and with spots, stripes, or patches, they resemble small works of art by nature. But what appears so striking holds a surprising detail: The ...