Anser rossii
January 30, 2005: MLK Jr. Regional Shoreline-Arrowhead Marsh, Alameda County, CA
This bird was reported on the EBB list as a Snow Goose, but in studying my photos I’ve decided that the bill is more consistent with the smaller Ross’s Goose, so that’s what I’m calling this bird. There are still a few things which make it seem Snow Goose-ish, particularly the size (which I recall as being somewhat large), and there is a bit of rusty staining on the head and body. Not extensive staining, though, and the head is rounder, as pictured for Ross’s. Possibly a Snow/Ross hybrid.
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