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Thayer's Gull, Larus thayeri


 

Age/Type Date Location Comments
1st CY December 2007 Virginia, USA  
1st CY December 2010 Virginia, USA Pale bird
2nd CY January 2010 Virginia, USA  
2nd CY January 2004 California, USA  
2nd CY January 2010  Virginia, USA  
2nd CY January 2011 Virginia, USA  
2nd CY January 2011 Virginia, USA  
2nd CY January 2011 Virginia, USA Possible Kumlien's intergrade
2nd CY February 2011 Virginia, USA  
2nd CY January 2004 California, USA  
2nd CY  February 2011 Choshi, Japan  
3rd CY February 2011 Choshi, Japan Two birds
4th CY February 2011 Choshi, Japan Two birds
Adult February 2011 Choshi, Japan  

CY = Calendar Year