Sad Santiago, possibly the rarest frog in the world, is kept in a secure sanctuary in the Ecuadorian Andes. - Estelle Cheuk/BBC Viewers of Planet Earth used to epic tales of life and death among ...

The Eiffinger's tree frog (Kurixalus eiffingeri), found on Ishigaki and Iriomote islands in Japan, has a unique biological adaptation: its tadpoles do not defecate during their early developmental ...

Quick Take Boulenger’s backpack frog carries eggs in a dorsal pouch on its back instead of dropping them into water. This ...

Each winter, Portland volunteers "taxi" Northern red-legged frogs to and from their egg-spawning ground. The service protects them from becoming roadkill on a highway. In Portland, Oregon, where I ...

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 ...

The iconic (if unofficial) installation along Paterna Road has been significantly cleaned up. Gone are the weather-worn plush ...

In nature, size is often misleading. Some of the most powerful defences on Earth belong not to large predators, but to ...