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 ...

Poisonous frogs produce and store alkaloid poisons or toxins in their skin, which makes them harmful to touch. They are commonly called poison arrow frogs or poison dart frogs. This is because Native ...

A decades-old mix-up in a museum collection led scientists to mistakenly identify a Peruvian poison frog as a new species.

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 ...

Researchers have identified a protein that may help a poison dart frog collect toxins from food and transport them to the frog’s skin, Erin Garcia de Jesús reported in “How poison dart frogs hoard ...

A team of researchers at UC San Francisco, the California Academy of Sciences and Stanford University have uncovered some intriguing clues in the mystery of how some poison birds and frogs evade their ...