American Herring Gull (smithsonianus)(last update: October 30, 2015) |
|
American Herring Gull (smithsonianus) sub-adult, August 15 2005, Chesapeake Bay Bridge-Tunnel, Virginia. Picture: Jim Frazier.In complete moult: P1-P5 new, P8-P10 old. Note black spots on secondaries. |