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Curious One (Wilson's Warbler)
•The Wilson's Warbler trends toward brighter, richer coloration from the eastern part of the range to the west. The Pacific coast populations have the brightest yellow, even orangish, foreheads and faces. Western-central and Alaskan birds are slightly larger than the eastern and Pacific coast populations.

•The Wilson's Warbler trends toward brighter, richer coloration from the eastern part of the range to the west. The Pacific coast populations have the brightest yellow, even orangish, foreheads and faces. Western-central and Alaskan birds are slightly larger than the eastern and Pacific coast populations.

Copyright Howard Cheek