Order: APODIFORMES - Swifts and Hummingbirds Family: TROCHILIDAE - Hummingbirds
Rufous Hummingbirds look very similar to Allen's, particularly the females and young ones. The Rufous are migratory and are seen in our area in spring and possibly late summer.
Fullerton Arboretum 07/12/2012
OLYMPUS IMAGING CORP. E-520, f/5.6 @ 300 mm, 1/320, ISO 800, No Flash