A small frog species from China is the first amphibian shown to use ultrasonic calls, says an international research team. Equipment designed for studying bats picked up high-pitched chirrups in the ...

Berkeley -- Most frogs emit a characteristic croak to attract the attention of a potential mate. But a few frog species that call near loud streams -- where the noise may obscure those crucial love ...

A conservationist has discovered that the glass frog Sachatamia orejuela can be added to the list of species that make use of visual cues in response to their acoustic environments. This is the first ...