I guided a small group of Northern Colorado birders through Bent, Prowers and Baca counties, southeast Colorado, May 10-13. This southeast corner of the state provides excellent spring migration birding, with many eastern species more easily seen here than anywhere else in Colorado.
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Northern Waterthrush
Swainson's Thrush
Blue-headed Vireo
Blackpoll Warbler
Great-tailed Grackle
Virginia's Warbler
Philadelphia Vireo
Olive-sided Flycatcher
Cape May Warbler (alternate male)
Black-throated Green Warbler (adult female)
Townsend's x Black-throated Green Warbler (adult male)