Ring-billed Gull (Larus delawarensis) - adult
Central Park Lake, Manhattan NY, USA - March 6, 2006
Canon EOS 20D, Canon 400mm f/5.6L USM with Canon Extender II
© Martin Lofgren

Ring-billed Gull (Larus delawarensis) - adult winter
Central Park Lake, Manhattan NY, USA - January 10, 2006
Canon EOS 20D, Canon 400mm f/5.6L USM with Canon Extender II
© Martin Lofgren

Ring-billed Gull (Larus delawarensis) - adult fall
Jamaica Bay WR, Queens NY, USA - November 1, 2005
Canon EOS 20D, Canon 400mm f/5.6L USM with Canon Extender II
© Martin Lofgren

Ring-billed Gull (Larus delawarensis) - adult winter
Brooklyn, NY, USA - February 5, 2005
Canon EOS 20D, Canon 400mm f/5.6L USM
© Martin Lofgren

Ring-billed Gull (Larus delawarensis) - 2nd winter
Prospect Park, Brooklyn NY, USA - December 11, 2005
Canon EOS 20D, Canon 400mm f/5.6L USM
© Martin Lofgren

Ring-billed Gull (Larus delawarensis) - 2nd calendar year
Central Park Lake, NY, USA - March 6, 2006
Canon EOS 20D, Canon 400mm f/5.6L USM
© Martin Lofgren

Ring-billed Gull (Larus delawarensis) - 2nd calendar year
Central Park Lake, NY, USA - March 6, 2006
Canon EOS 20D, Canon 400mm f/5.6L USM
© Martin Lofgren

Ring-billed Gull (Larus delawarensis) - 1st winter
Prospect Park, Brooklyn NY, USA - December 11, 2005
Canon EOS 20D, Canon 400mm f/5.6L USM
© Martin Lofgren

Ring-billed Gull (Larus delawarensis) - 1st winter
Brooklyn, NY, USA - January 17, 2005
Canon EOS 20D, Canon 400mm f/5.6L USM
© Martin Lofgren

Ring-billed Gull (Larus delawarensis) - 1st winter
Prospect Park, Brooklyn NY, USA - December 11, 2005
Canon EOS 20D, Canon 400mm f/5.6L USM
© Martin Lofgren