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 ...

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 ...

This species is one of the most widely distributed, abundant, well-known, and well-named birds in North America. Polytypic. Length 8.7". Usually sits in an obvious place or is found in flocks ...

The Christmas Bird ... America, the Caribbean and the Pacific Islands. In Westmoreland County, record numbers of waterfowl were noted the most, with 53 tundra swans and a raft of at least 400 ...