The male Xantus Hummingbird has a bold white eye strip and black cheeks. His head and neck are metallic green, as is his back. He's cinnamon buff below. The tail is rusty brown. The female is bright green to bronze-green above and cinnamon buff below. The female's tail is also rusty brown.
Where you might see them
Baja California is the most likely place to see the Xantus Hummingbird, which is primarily a resident of Mexico.
The Xantus Hummingbird was formally known as the Black-fronted Hummingbird. The bird gets its name from John Xantus de Vesey, a Hungarian zoologist.