Jul 8 2002 - Black-headed Gull - Newfoundland
May 23 2007 - Black-headed Gull - Alaska
May 23 2007 - Black-headed Gull - Alaska
May 31 2012 - Black-headed Gull - Alaska
May 31 2012 - Black-headed Gull - Alaska
May 21 2013 - Black-headed Gull - Alaska
May 18 2015 - Black-headed Gull - Alaska
May 22 2015 - Black-headed Gull - Alaska
Jun 21 2016 - Black-headed Gull - Unknown
Jun 25 2016 - Black-headed Gull - Unknown
May 28 2017 - Black-headed Gull - Alaska
May 28 2017 - Black-headed Gull - Alaska
May 28 2017 - Black-headed Gull - Alaska
May 28 2017 - Black-headed Gull - Alaska
May 16 2021 - Black-headed Gull - Alaska
May 16 2021 - Black-headed Gull - Alaska
May 16 2021 - Black-headed Gull - Alaska