You often hear about rare birds. People who ... spring and fall migration. North America boasts more than 50 species of warblers. This one is probably the most abundant. It comes in two varieties ...

Birds are rapidly vanishing from North America, with dramatic population losses in places that were once thought safe.

A study published in Science reveals that North American bird populations are declining most severely in areas where they ...

North American bird populations are shrinking most rapidly in the very areas where they are still most abundant, according to a new study leveraging citizen science data for nearly 500 bird species.

These beautiful birds are North America's most common hawks. They are found all over the continent, in Central America, and in the West Indies. The first of these hawks to be scientifically ...

Named for their clumsy, awkward appearance when walking on land, common loons are migratory birds which breed in forested lakes and large ponds in northern North America and parts of Greenland and ...

The passenger pigeon was once the most numerous bird in the world. In the mid-1800s, billions of these birds were flying over the forests of eastern North America. Yet in just half a century, they’d ...