American Herring Gull (smithsonianus)

(last update: October 12, 2011)

Coordinators:
Bruce Mactavish (Canada)
Dave Brown (Canada)
Mars Muusse (Netherlands)

American Herring Gull 4cy February

 

East coast birds

American Herring Gull (smithsonianus) 4cy (3rd cycle), February 09 2008, Dryden, NY, USA. Picture: Mike.
American Herring Gull (smithsonianus) 4cy (3rd cycle), February 09 2008, Dryden, NY, USA. Picture: Mike.
American Herring Gull (smithsonianus) 4cy (3rd cycle), February 09 2008, Dryden, NY, USA. Picture: Mike.
American Herring Gull (smithsonianus) sub-adult (3rd / 4th cycle), February 09 2008, Dryden, NY, USA. Picture: Mike.
American Herring Gull (smithsonianus) 4cy (3rd cycle), February 09 2008, Dryden, NY, USA. Picture: Mike.
American Herring Gull (smithsonianus) 4cy (3rd cycle), February 24 2008, St. John's, Newfoundland, Canada. Picture: Bruce Mactavish.
American Herring Gull (smithsonianus) 4cy (3rd cycle), February 24 2008, St. John's, Newfoundland, Canada. Picture: Bruce Mactavish.
American Herring Gull (smithsonianus) sub-adult (3rd / 4th cycle), February 24 2008, St. John's, Newfoundland, Canada. Picture: Bruce Mactavish.
American Herring Gull (smithsonianus) sub-adult, February 02 2005, St. John's, Newfoundland, Canada. Picture: Jeff Poklen.
American Herring Gull (smithsonianus) 4cy (3rd cycle), February 09 2008, Dryden, NY, USA. Picture: Mike.

sub-adults with vestiges of black (probably 5cy / 4th cycle)

American Herring Gull (smithsonianus) adult, February 24 2008, St. John's, Newfoundland, Canada. Picture: Bruce Mactavish.
American Herring Gull (smithsonianus) adult, February 24 2008, St. John's, Newfoundland, Canada. Picture: Bruce Mactavish.
American Herring Gull (smithsonianus) adult, February 24 2008, St. John's, Newfoundland, Canada. Picture: Bruce Mactavish.
American Herring Gull (smithsonianus) adult, February 24 2008, St. John's, Newfoundland, Canada. Picture: Bruce Mactavish.
American Herring Gull (smithsonianus) adult, February 24 2008, St. John's, Newfoundland, Canada. Picture: Bruce Mactavish.
American Herring Gull (smithsonianus) adult, February 24 2008, St. John's, Newfoundland, Canada. Picture: Bruce Mactavish.
American Herring Gull (smithsonianus) adult, February 24 2008, St. John's, Newfoundland, Canada. Picture: Bruce Mactavish.