A coquí frog sits on a tree branch in El Yunque rainforest in Caimito, Puerto Rico. The tiny frog is named coqui after its distinctive two-note call of "ko-KEE, ko-KEE," and has become a symbol for ...

What can the sounds of coqui frog mating calls tell us about climate change? In 1983, UCLA biology professor Peter Narins stumbled upon a clue in the riddle of global warming. He was teaching a ...

This coqui frog was captured in a dry-docked boat in Kahaluu. (courtesty department of agriculture) Oishi noted they received more calls about coqui frogs from residents in recent weeks as expected ...

The coqui frog is slightly larger than an inch long, with color ranging from light yellow to dark brown, according to the Hawaii Invasive Species Council. Its distinct, two-note call sounds like ...