Wednesday, 7 October 2020

[cobirds] Bird Conservancy of the Rockies - Barr Station Report, October 7

The first day without a single warbler, not even a recapture.  And our first day with a real mixed flock of Juncos - we spent time consulting our various sources of information to identify 13 Juncos, most of them young, of different populations.  The most interesting one on whose ID we agreed upon was a young, female Slate-colored of the Canadian Rocky Mountain population (cismontanus/cassiar, see drawing in Sibley's).  Then there was one that we gave up on and used the code UDEJ (unidentified Dark-eyed Junco).  Here's the breakdown for the 25 birds banded:

Ruby-crowned Kinglet 2
Hermit Thrush 1
American Robin 2
Gray Catbird 1
Green-tailed Towhee 1
Song Sparrow 2
Gambel's White-crowned Sparrow 3
Dark-eyed Junco, Slate-colored 1
Dark-eyed Junco, Oregon 7
Dark-eyed Junco, Pink-sided 3
Dark-eyed Junco, Grey-headed 1
Dark-eyed Junco, unidentified 1

Meredith McBurney
Bander, Barr Lake Station
Bird Conservancy of the Rockies

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