Re: Empid at Glen Canyon

Mark W. Eaton <mweaton@...>

Andrew Rush wrote:
The bill was narrow with a yellow lower mandible that was dark at
the outer 1/3 or so. It had a long primary projection.
Wasn't there a thread sometime ago on Calbird regarding how reliable an all dark
mandible is for Hammond's Flycatcher? I seem to recall that, while the bulk of
HAFL show an all dark mandible, some individuals can have quite a bit of yellow
on the basal half.


Mark Eaton
SFBirds Web Page
Golden Gate Audubon Web Page

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