Gull Research Organisation

Thayer's Gull (thayeri) (last update: January 22, 2013)
Coordinators: Amar Ayyash (USA) Mars Muusse (Netherlands) thayers rings thayers PDF's thayers 1cy August thayers 1cy September thayers 1cy October thayers 1cy November thayers 1cy December thayers 2cy January thayers 2cy February thayers 2cy March thayers 2cy April thayers 2cy May thayers 2cy June thayers 2cy July thayers 2cy August thayers 2cy September thayers 2cy October thayers 2cy November thayers 2cy December thayers 3cy January thayers 3cy February thayers 3cy March thayers 3cy April thayers 3cy May thayers 3cy June thayers 3cy July thayers 3cy August thayers 3cy September thayers 3cy October thayers 3cy November thayers 3cy December thayers sub-ad January thayers sub-ad February thayers sub-ad March thayers sub-ad April thayers sub-ad May thayers sub-ad June thayers sub-ad July thayers sub-ad August thayers sub-ad September thayers sub-ad October thayers sub-ad November thayers sub-ad December thayers ad January thayers ad February thayers ad March thayers ad April thayers ad May thayers ad June thayers ad July thayers ad August thayers ad September thayers ad October thayers ad November thayers ad December	Thayer's Gull 2cy February (1st cycle)	Thayer's Gull 1st cycle (2CY), February 01 2011, Monterey, CA. US. Picture: Peter Adriaens.
		Thayer's Gull 1st cycle (2CY), February 15 2014, North Point Marina, Winthrop Harbor, IL. Picture: Maarten van Kleinwee.
		Thayer's Gull 1st cycle (2CY), February 15 2014, North Point Marina, Winthrop Harbor, IL. Picture: Maarten van Kleinwee.
		Thayer's Gull 1st cycle (2CY), February 16 2010, Winthrop Harbor, IL. Picture: Erik Bruhnke.
		Thayer's Gull 1st cycle (2CY), February 20 2010, Winthrop Harbor, IL. Picture: Erik Bruhnke.
		Thayer's Gull 1st cycle (2CY), February 09 2013, Whiting, Indiana. Picture: Amar Ayyash.
		Thayer's Gull 1st cycle (2CY), February 03 2013, Boulder County, Colorado. Picture: Amar Ayyash.
		Thayer's Gull 1st cycle (2CY), February 03 2013, Boulder County, Colorado. Picture: Amar Ayyash.
		Thayer's Gull 1st cycle (2CY), February 26 2012, Lake County, IL. Picture: Amar Ayyash.
		Thayer's Gull 1st cycle (2CY), February 03 2013, Boulder County, Colorado. Picture: Amar Ayyash.
		Thayer's Gull 1st cycle (2CY), February 05 2011, Westmoreland Park, OR. Picture: John Rakestraw.
		Thayer's Gull first cycle (2CY), February 15 2007, Everett, Snohomish County, Washington. Picture: Steve Mlodinow.
		Thayer's Gull 1st cycle, February 28 2009, River Park, Lompoc, Santa Barbara Co., CA. Picture: Tony Leukering.
		Thayer's Gull 1st cycle, February 28 2009, River Park, Lompoc, Santa Barbara Co., CA. Picture: Tony Leukering.
		Thayer's Gull 1st cycle, February 28 2009, River Park, Lompoc, Santa Barbara Co., CA. Picture: Tony Leukering.
		Thayer's Gull 1st cycle, February 28 2009, River Park, Lompoc, Santa Barbara Co., CA. Picture: Tony Leukering.
		Thayer's Gull 1st cycle (2CY), February 19 2011, Westmoreland Park, Portland, Oregon, US. Picture: Greg Gillson.
		Thayer's Gull 1st cycle (2CY), February 19 2011, Westmoreland Park, Portland, Oregon, US. Picture: Greg Gillson.
		Thayer's Gull 1st cycle (2CY), February 01 2012, Fernhill Wetlands, Forest Grove, Oregon, US. Picture: Greg Gillson.
		Thayer's Gull 1st cycle (2CY), February 26 2012, Lake County, IL. Picture: Amar Ayyash.
		Thayer's Gull 1st cycle (2CY), February 16 2010, Winthrop Harbor, IL. Picture: Erik Bruhnke.
		Thayer's Gull 1st cycle (2CY), February 05 2013, Davis Wastewater Treatment Plant, Yolo County, CA. Picture: Steve Hampton.
		Thayer's Gull 1st cycle (2CY), February 17 2009, Dryden, New York. Picture: Tom Johnson.
		Thayer's Gull 1st cycle (2CY), February 01 2011, Monterey, CA. Picture: Peter Adriaens.
		Thayer's Gull 1st cycle (2CY), February 01 2011, Monterey, CA. Picture: Peter Adriaens.
		Thayer's Gull 1st cycle (2CY), February 20 2010, Winthrop Harbor, IL. Picture: Erik Bruhnke.

Thayer's Gull (thayeri)

Thayer's Gull 2cy February (1st cycle)