According to Pyle and Sibley and the Bird Banding Lab, one can not
safely call a Western on visual. At least two measurements are required.
Plumage and bill characteristics can provide some additional help but
feather wear, age and known geographic variations make such a call iffy
at best without
Single BRANT with gulls on spit at Myers Park point.
Donna Scott
Lansing
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Good variety of birds for this morning's SSW bird walk in the weather that
soon turned to sleet. The clumps of ash seeds were hosting flocks of Rusty
Blackbirds and Purple Finches (up to ten within a single binocular view)
along the Wilson Trail north, just south of Owen's Platform. On the pond
Ken certainly found an interesting bird. I assume he heard no
vocalizations or he would have mentioned it. Any pictures from the side
showing wing bars? When I've seen likely easterns and westerns in close
proximity in Central American, it seems that easterns have two fairly
equally weighted
There is some discussion about the dark lower bill, more characteristic of
Western wood-peewee, as seen in the photo Ken shared. But “all about birds”
notes that juveniles can have all dark bills. Read especially the last line,
below.
“Eastern Wood-Pewees are olive-gray birds with dark wings,
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Ken Rosenberg reports a "Wood pewee right now at Myers Point. Looks good for
Western," "On road to Lagoda. Red house w feeders."
Bird has nearly all dark bill.
Bending rules for images, to come...
Sincerely,
Chris T-H
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