Each year, billions of migratory birds switch between spring/summer breeding grounds and overwintering grounds, although their movements vary greatly between species and populations. Their journey may ...

This plump, ground-dwelling game bird thrives in farmlands and scrubby hillsides across Europe and beyond. The Red-legged Partridge is a plump, round-bodied game bird with distinctive markings. Its ...

Explore all 50 US state birds with our comprehensive guide. Learn about each official state bird's characteristics, habitat, and the history behind their selection as state symbols.

A truly stunning game bird with a tail that can stretch over 6 feet long, turning heads in forests across Asia and in introduced parts of Europe. The Reeves's Pheasant is a striking bird, notable for ...

Bird migration has captured our imagination throughout history, although a solid understanding of avian movements has remained elusive until relatively recently. Modern science and technology have ...

Despite their incredible diversity in shape, color, and size, most people find it easy to distinguish birds from other vertebrate classes like mammals and reptiles. The tiny, jewel-like Hummingbird is ...

This spectacular pheasant, with its kaleidoscope of colors and extravagant plumage, ranks among the world's most visually striking birds. The male Lady Amherst's Pheasant is a striking bird with ...

The ultimate seaside scavenger, this adaptable gull is as comfortable stealing chips on a bustling boardwalk as it is soaring over coastal cliffs. The Herring Gull is a large, robust seabird with a ...

It’s the dead of winter in a frozen northern forest, and most of the region’s songbirds have long since abandoned these woods for the milder conditions of the American Southeast or Central America. A ...

There are roughly ten thousand bird species on earth, all with their own particular diet and feeding behaviors. They range from specialized feeders associated with specific plant species to ...

The avian endocrine system consists of a series of glands that produce and secrete substances known as hormones. These steroids or proteins travel through the bloodstream and act as chemical ...

Browse our growing list of species guides to learn all about birds.