Frogs

A newly described species of frog is so small that it can sit comfortably on the tip of your thumb, and has a distinctive call that sounds like a cricket's chirp.

A recent study of the Brazilian torrent frog, Hylodes japi, shows that the species employs a more nuanced communication system than any other known frog species.

It's a frog-eat-frog world out there.

A "robber frog" with beady, gold-rimmed eyes and a bizarre bat with a record-long tongue are among the menagerie of species discovered during an expedition in Bolivia.

In the wilds of Brazil, researchers have discovered the first frogs with venomous spikes on their heads. Just a gram of this venom could take down tens of humans or thousands of mice.

A cute new Andean frog has a dark-brown "face mask" and a white mottled belly. The little guy is not much bigger than a jelly bean.

Each smaller than a thumbnail, seven new species of frog have been discovered in the cloud forests of Brazil. Some have warty coverings while others are smooth with spots.

The planet is crawling with critters, but scientists are meeting some of them only just now.