Allen's Hummingbird (Selasphorus sasin) [XC110229]
by Don Sterba from Russellville, Hamblen, Tennessee, United States (call)
Allen's Hummingbird (Selasphorus) [XC131446]
by Richard E. Webster from Altadena residence, Los Angeles Cty., California, United States (call)
Subspecies
Forms a superspecies with Rufous Hummingbird (Selasphorus rufus). "Selasphorus floresii" usually reckoned to be hybrid of present species with Anna's Hummingbird (Calypte anna).
The following 2 subspecies are recognised:
sasin (Lesson, 1829) - Coastal western USA (extreme southern Oregon to California, south to Santa Barbara County). Winters in south-central Mexico.
sedentarius Grinnell, 1929 - Islands off coast of southern California (USA).