Chatfield Banding Station, Bird Conservancy of the Rockies 5-21-26

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Meredith McBurney

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May 21, 2026, 9:04:30 PM (20 hours ago) May 21

to Colorado Birds

We were back to banding this morning after our regular day off on Monday and then 2 more days off due to weather. The number of new birds caught remained at about the same level as the previous week or so, but the diversity is up as we get later in the migration. Eighteen species caught, including 5 first of seasons, for a total of 32 new and 3 returns:

Western Wood-pewee 3
Least Flycatcher 1 (FOS)
Western Flycatcher 2 (FOS)
Black-capped Chickadee 1
Swainson's Thrush 1
Hermit Thrush 1
Gray Catbird 5
Virginia's Warbler 1 (FOS, and first since 2023)
Yellow Warbler 1 new, 1 banded 2025
Yellow-rumped Warbler, Audubon's 1
American Redstart 1 banded 2023
MacGillivray's Warbler 2
Common Yellowthroat 5
Wilson's Warbler 1
Yellow-breasted Chat 2 new, 1 banded 2025
Lincoln's Sparrow 1
Lazuli Bunting 1 FOS
Bullock's Oriole 3 FOS

We are banding Tuesday through Sunday (closed Mondays) through May 31, weather permitting. There are opportunities for the public to visit on weekends and early mornings most weekdays. Reservations are required and can be made through the Denver Audubon website. (Many/most sessions are already sold out, so sign up now if you are interested!)