Frogs

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.

The inch-long species, scientifically named Hyalinobatrachium dianae, joins Costa Rica's 13 other glass frogs.

A fingernail-size frog that can morph its skin texture from spiny to smooth in just minutes is the first shape-shifting amphibian ever found, according to a new report.

Outside the world of cartoons and children's books, the frog color palette is much more than green.

A new species of frog has hopped onto the radar of researchers in Bangladesh. The frogs were discovered after the researchers noticed their unusual breeding habits, according to a new study.