Though it mainly lives in western North America, it has been seen in Missouri. Anna's hummingbird ( Calypte anna) is quite similar to the ruby-throat except for the male's magenta-pink (not ruby-red) face and throat. The female and immatures are metallic green above, with the throat spotted with brownish and orange-red flecks the tail is rufous at the base with the outer three tail feathers tipped with white.Ī few other western hummingbird species may sometimes migrate through Missouri. The male's throat flashes orange-red in the light but otherwise looks black. The male has rufous upperparts (sometimes flecked with green), a greenish head, and black tips on the tail feathers the underparts are white with rufous sides and undertail coverts. The rufous hummingbird ( Selasphorus rufus) is a casual migrant most frequently observed in the western half of Missouri July through November. These western species may stay into the winter, and they have been known to survive at nectar feeders heated by floodlights. Similar species: Although a few western hummingbirds are occasionally seen in Missouri, the ruby-throat is by far the most common in our state and throughout the entire eastern United States. Most vagrant hummingbirds from the western United States are detected in Missouri in mid- to late fall, after most ruby-throated hummingbirds have migrated south. Ruby-throated hummingbirds make a variety of “chips,” squeals, and twitters.
Immature birds are similar to females, though young males may develop red flecks on the throat by fall. Females have metallic green upperparts whitish underparts the sides pale buff and the tail is tricolored: green at the base, black in the middle, with the three outer tail feathers tipped with white. The side of the head below the eye is black from the bill to the cheek. Males have metallic green upperparts a red throat (gorget) that flashes ruby red in the light but otherwise may look black underparts whitish with dull green flanks and the tail black and deeply forked. It hovers and flies forward and backward with a humming sound. The ruby-throated hummingbird is a tiny bird with a long needlelike bill.
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