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   Forster's Tern
   Sterna forsteri
 Bear River MBR
 Box Elder County, Utah
 30 May 2010
  
 by Mia McPherson
 İMia McPherson
   Forster's Tern
   Sterna forsteri
 Bolsa Chica
 Orange County, California
 June 2007
  
 by Lu Giddings
 İLu Giddings
   Forster's Tern
   Sterna forsteri
 Bolsa Chica
 Orange County, California
 June 2007
  
 by Lu Giddings
 İLu Giddings

   

 Forster's Tern
 Sterna forsteri

 Adult
 North Springville, Utah
 12 May 2000

 by Margaret T. Sanchez
 İMargaret T. Sanchez

  
 Forster's Tern
 Sterna forsteri

 Breeding plumage
 Bolsa Chica, California
 6 Apr 1998

 by Margaret T. Sanchez
 İMargaret T. Sanchez