| Males | Females |    
  

   Bufflehead
   Bucephala albeola 		 Female
 Head of Jordan River
 Utah County, Utah
 10 Jul 2007
   		 by Ryan Houston
 İRyan Houston
   
 Bufflehead
 Bucephala albeola

 Female
 Utah Lake State Park, Provo, Utah
 End of 1996

 by Margaret T. Sanchez 
 İMargaret T. Sanchez