Allen's hummingbird
noun
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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Origin and Etymology of allen's hummingbird
after Joel A. Allen †1921 American zoologist
First Known Use: 1881
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