description Allen's Hummingbird Overview
Allen's hummingbird, Selasphorus sasin, is a small hummingbird associated with coastal California and southern Oregon. Mainland birds generally breed along the Pacific coast and migrate to Mexico, while the subspecies S. s. sedentarius is largely resident in southern California and on several Channel Islands.
Adult males have an iridescent orange-red gorget and extensive rufous coloring, although females and young birds are less conspicuous.
help Allen's Hummingbird FAQ
Where does Allen's hummingbird breed?
Mainland Allen's hummingbirds generally breed along the Pacific coast of California and southern Oregon. They migrate to Mexico, while the southern California subspecies Selasphorus sasin sedentarius is largely resident.
Do all Allen's hummingbirds migrate?
No. Mainland birds generally migrate to Mexico after breeding, but S. s. sedentarius in southern California is largely resident. Migration therefore varies by population.
What is the scientific name of Allen's hummingbird?
Its scientific name is Selasphorus sasin. The species is a small hummingbird strongly associated with coastal California and southern Oregon.
How can I distinguish Allen's hummingbird from a similar coastal hummingbird?
Allen's hummingbird is often compared with the rufous hummingbird, and the two can be difficult to separate in the field. Location, season, behavior, and close examination of plumage or tail details may all be needed.
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