Eleven endangered male frogs that traveled 7,000 miles (11,000 kilometers) in a bid to save their species from extinction have “given birth” to 33 froglets at London Zoo. Originally from Parque ...

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

A tiny frog discovered in the rain forests of Indonesia’s Sulawesi Island is the only frog known to give birth to live tadpoles. Of the roughly 6,000 frogs known in the world, about a dozen species ...

As part of a conservation initiative, 33 endangered Darwin's froglets have been born in the UK. The remote forests of southern Chile are home to the Southern Darwin's Frog (Rhinoderma darwinii).

The jewel-like lakes of the High Sierra in Yosemite National Park are awe-inspiring sights. But for more than a hundred years they've also been biologically disrupted, stocked each year with ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. It looks dead for months, its body packed with ice. But ...