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

The massive annual spring migration of America's birds – millions of them – is underway. Here's how to follow along at home.

Robert F. Kennedy Jr. addressed the worsening avian flu crisis, saying vaccinating birds turns them into “mutation factories.

The discovery has perplexed avian experts, too, creating an enduring mystery about what might have made a white bird turn bright orange. Julie Maggert, a snowy owl enthusiast, heard of Mr. Diller ...