Rolf Nussbaumer / Costa's Hummingbird {Calypte costae} young male feeding on Sage flower, Tuscon, Arizona, USA, September

Claudio Contreras / Costa's Hummingbird (Calypte / Archilochus costae) feeding, San Pedro Martir National Park, Baja California Peninsula, Mexico, May.

Brent Stephenson / Female Costa's hummingbird (Calypte costae) sitting on her nest, Isla San Jose, Baja California, Mexico, September.

David Tipling / Costa's hummingbird (Calypte costae) perched on branch, California, USA

Claudio Contreras / Costa's hummingbird (Calypte / Archilochus costae) profile, Loreto, Baja California Peninsula, Mexico, February

Rolf Nussbaumer / Costa's Hummingbird {Calypte costae} young male feeding on Yellow Trumpet Flower (Tecoma stans) Tuscon, Arizona, USA, September

John Cancalosi / Male Costa's Hummingbird (Calypte costae) Sonoran Desert, Arizona, USA, captive

Michael & Patricia Fogden / Costa's Hummingbird (Calypte costae) female in nest in Paloverde tree, deserts of USA and Mexico

Konrad Wothe / Costa's Hummingbird (Calypte costae) male at rest, Sonora Desert Museum, Saguaro National Monument, Arizona