University of Michigan study finds noise harms birds' health in many ways, including their ability to reproduce ...

Great tit chicks, for example, stop begging in response to a parent’s alarm call. And a study of blackcaps found that under very high predation pressure chicks completely refrain from chirping until ...

Birds make sounds to communicate, whether to find a potential mate, ward off predators, or just sing for pleasure. But the conditions that contribute to the immense diversity of the sounds they make ...