Great Black-backed Gull (Larus marinus) - 6 photos

 

1

Adult (fourth winter) with Herring Gull.  Virginia, December 1988.

2 Third winter. Barnegat Lighthouse, New Jersey. 18 November 2009.
3 Third winter. Barnegat Lighthouse, New Jersey. 18 November 2009.
4 First winter. Barnegat Lighthouse, New Jersey. 18 November 2009.
5 First winter. Barnegat Lighthouse, New Jersey. 18 November 2009.
6 First winter. Barnegat Lighthouse, New Jersey. 18 November 2009.