[cobirds] Bird Conservancy Banding Report - Chico Basin Ranch, 9/18 & 9/19

After a tough start to the week, we enjoyed some calmer weather the last few days that allowed for some more productive mist netting. Both yesterday (Wednesday) and today were quite similar, with moderate bird activity and a good variety of species: 32 newly banded birds + 1 recapture and 17 species on Wednesday, and 33 newly banded birds of 15 species today. Between the two days we had 25 total species banded. 

Yesterday we had four new species for the season: Audubon's Yellow-rumped Warbler, Brewer's Sparrow, Townsend's Solitaire, and Plumbeous Vireo. Today we captured 4 Vesper Sparrows all on a single net run, also a first-of-season species. Prior to this year, no more than 3 Vespers have ever been caught in a single fall season at Chico.

Yesterday also marked the midway point of the fall season here. It's certainly going by fast! We just eclipsed the 400 birds banded mark today, which is a fair bit off the pace from a typical season here. I'm hoping for some more agreeable weather and some late migration pulses to bump our numbers up in the final weeks.

A combined summary from the last two days:

Wilson's Warbler 17 + 1 within-season recapture

Willow/Alder ("Traill's") Flycatcher 1

Dark-eyed Junco, Oregon 2 

Orange-crowned Warbler 3

Yellow Warbler 1

Yellow-rumped Warbler, Audubon's 1 (FOS)

Clay-colored Sparrow 1

Brewer's Sparrow 1 (FOS)

House Wren 1

Lincoln's Sparrow 2

White-crowned Sparrow, Gambel's 1 

Warbling Vireo 1

Red-eyed Vireo 1

Plumbeous Vireo 1 (FOS)

Townsend's Solitaire 2 (FOS)

Western Tanager 3

Hermit Thrush 1

Swainson's Thrush 1

Blue Grosbeak 5

Vesper Sparrow 4 (FOS)

Green-tailed Towhee 7

Gray Catbird 3

Brown Thrasher 2

Northern Mockingbird 1

American Robin 2

We are open 6 days a week, closed on Sundays. For the remainder of this week we'll be opening nets at 6:40 AM and closing at 11:40 AM, weather permitted. Visitors are welcome!

Robert Snowden

Bander, Chico Basin Ranch

Bird Conservancy of the Rockies

 

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