The Black-chinned hummingbird can be located in many of the southern and western states across the United States and across Canada. They are also known as the least colorful of United States hummingbirds.
Male Black-chinned hummingbirds have a metallic green back, crown, and breast. Their throat is black with a purple throat band and white collar. On average, the Black-chinned hummingbird weighs 3.09 grams.
Female Black-chinned hummingbirds on the other hand have a white breast instead of a green one like their male counterparts. They also have a white throat with some black spots, buff sides, and white tips on their outer tail feathers. The female is larger than the male, weighing about 3.42 grams.