American Herring Gull (Larus smithsonianus) adult, Anchorage, AK 7/15/2007
by Grasmussen Jan 4, 2009 5:52 AM
American Herring Gull (Larus smithsonianus) adult in flight, Anchorage, AK. 4/18/2008.
by Grasmussen Jan 4, 2009 6:04 AM
Photo courtesy of my brother David. Taken in Bodega Bay, Calif.
by Calif_Sue Jan 5, 2009 8:48 AM
Juvenile in 1st winter plummage and an adult in the forefront, Lisle, IL 3-23-14
by frogymon Mar 23, 2014 5:35 PM