The western counterpart of the ruby-throated, the black-chinned ... tail. Age/sex differences as ruby-throated except as noted. Adult male: black throat with violet-blue lower band. Adult female ...

Tail slightly rounded to double-rounded ... without dusky throat spotting. See black-chinned hummingbird.

"When somebody like myself looks at it, it could look like a female or juvenile male ... "Last year I had two black-chinned hummingbirds, a broad-tail, a Rufous and one ruby-throated.