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 3cy February (2nd cycle)	Thayer's Gull 2nd cycle (3CY), February 16 2013, Lake County, IL. Picture: Amar Ayyash.
		Thayer's Gull 2nd cycle, February 28 2009, River Park, Lompoc, Santa Barbara Co., CA. Picture: Tony Leukering.
		Thayer's Gull 2nd cycle, February 28 2009, River Park, Lompoc, Santa Barbara Co., CA. Picture: Tony Leukering.
		Thayer's Gull 2nd cycle (3CY), February 24 2009, Parksville, Vancouver Island, BC. Picture: Guy Monty.
		Thayer's Gull 2nd cycle (3CY), February 03 2013, Boulder County, Colorado. Picture: Amar Ayyash.

Thayer's Gull (thayeri)

Thayer's Gull 3cy February (2nd cycle)