Java sparrows are both vocalists and percussionists. Photo: Suzme/amanaimages/Corbis When Java sparrows make love, they do it to the beat of their own in-house avian techno. As at a rave, the birds’ ...

Pair-bonded Java sparrows show enlarged eye rings to signal breeding readiness. Birds are known for their elaborate courtship rituals and romantic gestures that are replete with beautiful songs, ...