Thursday, 25 March 2021

[cobirds] Boulder White Goose ID

Yesterday, 24 March, I photographed an interesting white goose at Prince Lake #2.  It was roughly the size of nearby Canada Geese, too big for a Ross's Goose.  The bill was too large for Ross's and did not have the perfectly straight vertical base of a Ross's.  The head was not perfectly round like a Ross's.  The bill appeared too small for a Canada Goose and did not have a significant grin patch.  In summary, the head features were intermediate between Ross's and Snow.  I conclude that this is a Ross's Goose x Snow Goose hybrid.  See attached photo.

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