Slaty-backed Gull - Tom Pirro
Report

Contributor

Date

Location

Gill
Franklin, Massachusetts, United States
Media from this location Illustrated Checklist
Map
Map Coordinates: 42.64039, -72.49953
Age
Not specified
Sex
Not specified

Observation details

This 2nd or 3 cycyle bird was prsent in the Barton's Cove gull roost. A few digi-scope photos can be found at tpirro.blogspot.com. Mantle plumage color similar to that of a Lessrer Back-backed Gull. However this bird had a bulky, heavy profile and appeared larger than near by Herring Gulls and much larger and heavier bodied than with an indicomparison of the near by LBB Gulls.

Technical information

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