Tuesday, 23 October 2018

[cobirds] Boulder hummingbird ID help

A hummingbird just showed up at our feeder in North Boulder (Riverside Ave/ Redwood Ave). Not being familiar with fall hummers in the west I'd be grateful for assistance with identification. Photos follow below.
Red-yellow spot on throat. Lacks extensive specklings on throat. Throat distinctly white compared to dusky-dirty chest. Bill very slightly decurved. No white eyeline, but white spot behind the eye. Grayish flanks (perhaps a suggestion of buff). White on outer ends of tail feathers. Immature male broad-tail? 

David Haskell

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