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

New research shows that variation in mating behaviors, parental care and differences in ornamentation of the sexes in bird ...

All living things have limited energy and resources, and face trade-offs between competing priorities,” observed the study’s ...

The Lights Out Wisconsin program helps address problems with light pollution that affects bird migration, fireflies, ...

These expert tips will help you attract birds to feeders wherever you live.

Watching wild birds visit your yard brings joy to any morning routine. Many people rely on plastic tubes filled with seeds to ...

The spring migration starts in late March but peaks in late April and early May, when dozens of species make epic flights to ...

Birds' feathers, or plumage, are some of the most strikingly variable animal characteristics that can be observed by the naked eye. The patterns that we see in birds' feathers are made up of intricate ...

Birds in Hawaii are stealing from each other, and this bird-on-bird crime even extends to members of the same species. It’s ...