Readily comes to sugar water feeders and flower gardens; found in a variety of wooded habitats across much of the western U.S and northern Mexico. Males have purple-and-black throat, greenish upperparts, dingy whitish belly and dark tail. Females are green above and whitish below, lacking any buffy-orange tones. Tends to pump its tail more than other hummingbirds. Similar in shape and plumage to Ruby-throated Hummingbird, but very little overlap in range (mainly Texas). Separate males by throat color; females and immatures nearly identical.