Definition of Allen's hummingbird
: a hummingbird (Selasphorus sasin) of western North America, the male being metallic green above with bright red throat and whitish breast, the female being variably marked with reddish brown, gray, and white
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Merriam-Webster unabridged
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Time Traveler for Allen's hummingbird
The first known use of Allen's hummingbird was in 1881
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