Add Yahoo as a preferred source to see more of our stories on Google. These 2-inch-long frogs live in a very specific part of the rainforest inwestern Colombia. The poison on their skin is called ...

A joint report alleging that a poison dart frog toxin has been linked to the death of Russian opposition leader Alexei Navalny rippled quickly around the globe among scientists. The allegations raised ...

Scientists in Brazil described a new-to-science species of poison dart frog last year. It was first found among the leaves of wild banana plants on a research expedition to the Juruá River Basin in ...

Poison frogs appear to have built their chemical defenses gradually: related frogs store low to moderate levels of ...

Poison dart frogs produce powerful toxins that act on the nervous system, making even brief contact potentially lethal. Their bright coloration serves as a warning signal, advertising danger rather ...

Vibrant but toxic, poison arrow frogs range from less than 1 inch to 2.5 inches in body length. Poison arrow frogs live in the rainforests of Central and South America and on a few Hawaiian Islands.

The golden poison dart frog may be tiny, but it has earned a formidable reputation in the animal kingdom. Native to a small region of rainforest in western Colombia, this brightly colored amphibian is ...