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 ...

ARBIMON—a system of distributed recording stations and centralized analysis software—was used to track populations of the endangered plains coqui frog, in Puerto Rico. Photo by CoquiPR Imagine you’re ...

Ko-KEE, Ko-KEE, Ko-KEE. ADVERTISING Ko-KEE, Ko-KEE, Ko-KEE. As darkness falls over East Hawaii, the chorus of coqui frogs intensifies, and more of the little amphibians add their mating calls to the ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American I can remember when the nighttime sounds of ...

HONOLULU - The coqui is a tiny, coin-sized frog whose distinctive nightly mating calls are a beloved sound in Puerto Rico and other Caribbean islands. But people in Hawaii don't share the same ...

PATILLAS, Puerto Rico – A curtain of sound envelops the two researchers as they make their way along the side of a mountain in darkness, occasionally hacking their way with a machete to reach the ...