Great bird, great detection and ID work Mr. Contreras and Mr. Nunes, great
photography Tom and Glenn. Can see why Pine was in the initial list of species
being considered and I agree with Brandon about those legs seeming atypical in
color. Bay on flank, shortish tail, and strength of wingbars cinch it. Bird
did not look nearly as yellow overall in Glenn's pics as it did in Tom's. The
value of multiple images.
Can anyone add any insight as to why the Boulder Bay-breasted Warbler favors
that one pine tree? Does it nitpick at needles, flush and hover
glean/flycatch, what? I suspect the attraction is aphids (needle or woolly
types) or scales (brown "tortoise" types or white "pine needle" types). All of
these would be on needles, around buds at branch ends, or on the surface of
small twigs/branches. If anyone who has been there, or anyone who goes in the
future, could pay attention to how the bird is foraging, what it's getting
(take a picture of same?), I am curious and would be grateful. Thanks.
Dave Leatherman
Fort Collins
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