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 ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. If you thought the poison dart frog was a scary animal, ...

Males of the South American species incubate their young in their vocal sacs. The London Zoo recently established a breeding colony to save the frog from extinction. By Franz Lidz The folk song “Frog ...

DNA testing of two new-to-science frog species has shown they share a common ancestor — a species that lived 55 million years ago in the mountains of what is today Brazil’s Amazonas state. The ...