Ifrita kowaldi, a blue-capped handful with the tree-poking habits of a nuthatch, concentrates in its feathers and skin the same alkaloids that defend poison dart frogs. This explains why the bird’s ...

Puerto Rican coqui frogs were accidentally introduced to Hawaii in the 1980s, and today there are as many as 91,000 frogs per hectare in some locations. What does that mean for native wildlife?

If you’re trudging through the high-altitude forests of northern Vietnam and you hear bird song, you might want to check the trees for frogs. Yes, that’s right: frogs. A new species of tree frog has ...

Coquí frogs are invasive species in Hawaii. But they don’t seem to bug the islands’ native and nonnative birds. Jason G. Goldman reports. Coquí frogs. They’re named for the sound they make. And though ...

This new Instagrammable bird has a weird look since it looks like it has a frog's mouth. Despite its appearance, a new study revealed that this weird-looking creature can still gather a lot of likes ...

For most people, discovering a frog living in your fence post would make you feel either kind of creeped out or kind of charmed. For one guy in Australia, it was a challenge: He decided to make it the ...

A study uncovers potential drivers and mechanisms of genome reduction in frogs with small genomes. Genome size varies across the tree of life, with frogs and birds possessing relatively large and ...

A team of researchers at UC San Francisco, the California Academy of Sciences and Stanford University have uncovered some intriguing clues in the mystery of how some poison birds and frogs evade their ...

One memorable night, Albert S. Feng and his colleagues went down to the bank of China's Tao Hua Creek to investigate some high-pitched birdcalls. They turned out to be the mating cries of a frog. The ...