Puerto Rico's beloved mascot is a miniature tree frog named for its distinctive call: ko-KEE. All night long, choirs of love-starved males serenade would-be mates, who respond with quiet guttural chuckles. "To me, it's pleasant—just like birds singing," says Bryan Brunner, a University of Puerto Rico plant breeder in Mayaguez. "Here, everybody loves the coquies." And legend has it, he says, that coquies—native only to Puerto Rico—die of sadness when removed from their island.
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