Bird songs are plentiful during the spring, but have you ever wondered why do birds sing? Find out the reasons from a bird ...

The male and female northern harriers sat near each other on a wire. The male was slate gray while the female was a more ...

More than 170 species of North American wild birds were infected with bird flu. Here's what it means for your backyard bird ...

A longstanding question in evolutionary biology is how sexual selection influences how entire genomes develop. Sexual ...

Throughout the night, great potoos emit a loud, moaning growl that has earned the bird a mythical status, with some ...