More information on regulations General Description 31 species of crows are found worldwide with exceptions being in New Zealand, South America and Antarctica. The American or Common crow, Corvus brachyrhynchos , the Fish crow, Corvus ossifragus , the Northwestern crow, Corvus caurinus , and the Tamaulipas crow, Corvus imparatus , which was formerly named the Mexican crow. Some people and organizations sometimes recognize different races of the American crow, which is the most widespread. Crows, both male and female, have entirely black plumage, bills, legs, feet and claws. The body plumage and wings have a violet iridescence in strong light.
Full albinism is rare with white wing feathers occurring more frequently.
The body weight averages about a pound with a body length from 15 to 21 and a wingspan up to 36 . Flight speed is about 30 mph with short bursts attaining 60 mph. Their hearing is superb. All the species in this family are very bold and aggressive. In the wild, crows live 6 to 7 years.