CHRISTINA LARSON: ‘Wild animals are known to listen to each other for clues about lurking predators, effectively eavesdropping on other species’ chatter. Birds, for example, can learn to flee when neighbors cluck “hawk!” — or, more precisely, emit a distress call. The fairy wren, a small Australian songbird, is not born knowing the “languages” of … Continue reading Birds learn another ‘language’ by eavesdropping on neighbors