The evening grosbeak, a large black-and-yellow finch found across the United States, has experienced steep population ...

The Great Backyard Bird Count is one of several annual counts that help researchers to better understand bird species.

Great Backyard Bird Count” asks people to track the birds they see and hear over a few days. The information can help ...

A worldwide review of snowy owls found far fewer of the birds than previously thought. The work included data from birds ...