Male Anna's hummingbirds have beautiful red/pink colored feathers on their head that can look black if not in proper lighting. Females can also have color on their throats but not as much as males. All pictures were taken in Nevada, California, and Arizona.
Male Costa's hummingbirds have a purple gorget that extends down the sides of their neck while females are all white with occasional small purple dots on their throat. All pictures were taken in Nevada and Arizona.
Male Black-Chinned hummingbirds have black heads with iridescent purple feathers on their neck that are only visible in perfect lighting. Females are white and usually have no color on their throats. All pictures were taken in Las Vegas, Nevada.
Male Broad-Tailed hummingbirds have an iridescent pink throat while females have orange/green spots. All pictures were taken in Panguitch Lake, Utah.
Male Rufous hummingbirds have a beautiful reddish/gold gorget (similar to Allen's) while females usually have orange feathers in the middle of their throat. All pictures were taken in Las Vegas, Nevada, and Sedona, Arizona.
Male Allen's hummingbirds have a beautiful reddish/gold gorget (similar to Rufous) while females usually have orange feathers in the middle of their throat. All pictures were taken in Los Angeles, California.
These are pictures of a leucistic male Anna's found at the University of California, Santa Cruz at the Arboretum in January of 2016.
These pictures include Broad-Billed, Blue-Throated, Violet Crowned, Lucifer, and Rivoli hummingbirds found in Arizona.
I found this fledgling male Costa's hummingbird living in my yard. Watch him grow by looking at the pictures from bottom to top. Most recent pictures are at the top.