These birds have a need for speed; some species can exceed 200 mph in flight. Falcons come in a variety of sizes—the tiny American kestrel is only 10 inches long.

'Really good at identifying birds by sound' Merlin's Sound ID can identify 1,054 bird species. It's based on the Macaulay Library, which contains 2 million recorded bird songs from around the ...

Hawks and eagles are among the more than 200 species of the family Accipitridae, a group of swift, strong raptors that kill other animals for food and are active during the day. Hawks are ...