Adult male © Dean LaTray eBird S40314293 Macaulay Library ML 74191951
Female/immature male © Sharif Uddin
Adult male © Giovanni Pari
Adult male © Paul Fenwick
Female/immature male © Peter DeStefano
+ 6
Immature male © Donna Pomeroy
© Robert Hamilton
Female/immature male © Ellen Crotty
Adult male © Connor Cochrane
Adult male © Andrew Newmark

Allen's Hummingbird Selasphorus sasin

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Identification

POWERED BY MERLIN

Extremely similar to widespread Rufous Hummingbird; identical in plumage except for males' solid green back (which can be shown by Rufous too). Breeds only along a narrow strip of coastal California and southern Oregon. On females and immature males, the only way to separate them from Rufous is by the shape of the tail feathers, which is extremely difficult to determine without good photographs.

POWERED BY MERLIN