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

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 ...

Researchers discovered that a poison frog species described decades ago was based on a mix-up involving the wrong museum ...

Scientists at the University of Kansas Biodiversity Institute and Natural History Museum recently uncovered a mistake that dates back decades ...