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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The “metallic poison frog” Ranitomeya aquamarina (left) and the “heavenly” Ranitomeya aquamarina (right) are the first newly ...

Poison dart frogs are deadly in nature, beautiful and famous for their patterns and colours which makes them noticeable in the forest. They have big eyes but small in size — they are between 2.5 cm to ...

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 ...

A poison found in threatened frog species in the Ecuadorian foothills has been named as the cause of Alexei Navalny's death in prison. Scientists from Germany, France, the Netherlands, Sweden and the ...