American Herring Gull (smithsonianus)(last update: October 30, 2015) |
|
American Herring Gull (smithsonianus) 1cy, October 08 2006, St. John's, Newfoundland, Canada. Picture: Bruce Mactavish.Bird in juvenile plumage, with some replaced scapulars by early-Ocober: upper scapulars = 25-50%, lower scapulars = 1-25%, total scapulars = 1-25%. Pale bill-base.
|