Poison dart frogs have fascinated researchers. Now their toxin has allegedly been linked to the death of Russian opposition leader Alexei Navalny.

The dart frog toxin, including batrachotoxin and epibatidine, is a potent natural poison used by frogs for defense, which can ...

Epipedobates anthonyi, known as Anthony’s poison arrow frog, typically measures 22mm long. Its skin carries sufficient ...

In a rainforest, small animals survive by hiding. By blending in with their environment until danger passes, many unique ...

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 ...

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 ...

A new species of poison dart frog has been discovered in the heart of the Brazilian Amazon, where dense rainforests host some of the most diverse and complex ecosystems on Earth. In a study published ...

A Brazilian woman was arrested on charges of wildlife trafficking after police in Colombia discovered 130 poisonous frogs in her luggage. Authorities at El Dorado International Airport in Bogotá found ...

A woman who police say tried to smuggle 137 tiny poisonous frogs worth about $130,000 into Brazil has been taken into custody at an airport in Bogotá, Colombia. The 37-year-old Brazilian woman, whose ...