The animal kingdom is full of fascinating tricks for enduring sub-freezing temperatures. Birds, for example, often just take ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. The extremely rare Indian purple frog doesn’t really look ...

These run the gamut from beautiful to odd, and even deadly. This native of Papua New Guinea was discovered in 2009, by researchers who heard its high-pitched call, then scooped leaf litter into a ...

The Glass Frog (Centrolenella colymbiphyllum) has skin so translucent that you can watch its heart beating. Carl C. Hansen, Smithsonian Institution When I started working on this frog blog post ...

The Atlantic Coast leopard frog, first identified in an industrial section of Staten Island in 2012, is now on the state’s endangered species list. Conservation groups see an opportunity. By Aaron ...

MCCAMMON: In Peru, a research expedition traveled over mountains and through thick forests, going further than any team of scientists. GERMAN CHAVEZ: It's an area where very few scientific expeditions ...

Many species of frog are known to be poisonous, such as the often colourful poison dart frogs. But although incredibly rare, there are species that are venomous too. There are currently only two ...