Pioneer Birding
Notes about birds, birding and travel from the Pioneer Valley in Western Massachusetts.
Showing posts with label
David Sibley
.
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Showing posts with label
David Sibley
.
Show all posts
Tuesday, January 12, 2021
MA - hybrid Great Black-backed x Herring Gull
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(presumed) Great Black-backed x Herring Gull (center) - adult, Turner's Falls power canal, Franklin Co., MA. January 11th, 2021. Yes...
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