Anna's hummingbird (Calypte anna) is a medium-sized bird species of the family Trochilidae. It was named after Anna Masséna, Duchess of Rivoli. It can be found only in North America. In the early 20th century, Anna's hummingbirds bred only in...
Costa's hummingbird (Calypte costae ) is a bird species in the hummingbird family Trochilidae. It breeds in the arid region of the southwest United States and northwest Mexico; it winters in western Mexico.
