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Croak to Croon: City Frogs Sing More Alluring Love Songs

City frogs and rainforest frogs don't sing the same tune, researchers have found. A study released Monday examined why Panama's tiny tungara frogs adapt their mating calls in urban areas — an unexpected example of how animals change communication strategies when cities encroach on forests. These frogs take advantage of the relative absence of eavesdropping predators in cities to belt out longer love songs, which are more alluring to female frogs. Tungara...

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