Identifying hawks in flight is a tricky business. Across North America, tens of thousands of people gather every spring and fall at more than one thousand known hawk migration sites - from New Jersey's Cape May to California's Golden Gate. Yet, as many discover, a standard field guide, with its emph[...]
Part of the revolutionary Crossley ID Guide series, this is the first raptor guide with lifelike scenes composed from multiple photographs--scenes that allow you to identify raptors just as the experts do. Experienced birders use the most easily observed and consistent characteristics--size, shape, [...]