[cobirds] F Broad-tailed vs F Black-chinned Hummingbirds

Hi all:

During mid July I was seeing F Broad-tailed Hummingbirds in our yard, feasting on hummingbird trumpt type flowers, and just made the assumption from then on that all Female hummingbirds were just F Broad-tailed. Now I'm seeing F Black-chinned hummingbirds and beginning to wonder if some of those earlier Female hummers included more Black-chinned than I originally thought.

What do other Denver, hummingbird bird watchers think the ratio should be female Broad-taied verses female Black-chhinned ?

Bob Righter
Denver, CO


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