Japanese Tree Frogs are small, charming amphibians found throughout Japan, Korea, and parts of China. Their melodic calls are a familiar sound in rural areas, signaling the arrival of spring.

Australian tree frogs today make up over one third of all known frog species on the continent. Among this group, iconic species such as the green tree frog (Litoria caerulea) and the green and ...

Researchers have discovered seven new species of tree frogs that make otherworldly calls in the rainforests of Madagascar. Their strange, high-pitched whistling calls sound more like sound effects ...

An international team of researchers have discovered seven new species of tree frogs that make otherworldly calls in the rainforests of Madagascar. Their strange, high-pitched whistling calls sound ...

Still, about 18 percent of the 4,358 species examined didn’t have vocal sacs at all. Paired head-side sacs balloon out as a male Surinam goldeneye tree frog (Trachycephalus coriaceus) calls.