A familiar face at coastal parking lots and inland lakes across North America, this adaptable gull has mastered both city life and wilderness, snatching french fries or diving for fish with equal ...

A colossal nocturnal hunter with a wingspan nearly six feet across, this remarkable fish-owl plunges into icy rivers to catch salmon with its massive, featherless talons. Blakiston's Fish-Owl is one ...

This map shows the combined distribution of all species in the Parulidae (New World Warblers) family.

This large, adaptable gull rules the coastlines and waterways of North America, equally at home stealing french fries on busy beaches or diving for fish in quiet harbors. The American Herring Gull is ...

With its striking tangerine crown and melodious song that rings through Asian forests at dawn, this brilliant orange thrush can be found from India to Indonesia. The Orange-headed Thrush has a pale ...

This stunning red and black goose migrates vast distances from Arctic Russia to wintering grounds in Eastern Europe, where flocks of up to 50,000 birds create spectacular displays against winter skies ...

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 ...

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 ...

Each year, the arrival and departure of migratory birds herald the changing seasons and fill us with wonder for the natural world. Have you ever wondered about all the dangers they face en route ...

Like ourselves, birds need to sleep to rest, recover from their activities, and remove waste built up in the brain. The way they sleep is actually pretty similar to ourselves, although these ...

A fierce hunter with a striking rusty-red tail, this widespread raptor is a commanding presence as it soars over diverse landscapes across North America. The Red-tailed Hawk is a robust raptor with ...

A little songbird spotted hopping fearlessly between giant tortoises on the Galápagos Islands, where it plays a starring role in Darwin's theory of evolution. The Small Ground-finch is a compact bird ...