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   Lesser Scaup
   Aythya affinis 		 Male
 Provo River
 Provo, Utah
 17 Feb 2023
   		 by Keith Lane
 ©Keith Lane
   Lesser Scaup
   Aythya affinis 		 Male
 Salt Lake County, Utah
 8 Apr 2014
   		 by John Crawley
 ©John Crawley
   Lesser Scaup
   Aythya affinis 		 Male
 Bolsa Chica Ecological Reserve 
 Huntington Beach, California
 7 November 2015
   		 by Kendall Brown
 ©Kendall W. Brown
   Lesser Scaup
   Aythya affinis 		 Male
 Provo River oxbow
 Utah County, Utah
 4 Apr 2018
   		 by Cliff Miles
 ©Cliff Miles
   Lesser Scaup
   Aythya affinis 		 Male
 Farmington Bay
 Davis County, Utah
 23 Nov 2003
   		 by Jack Binch
 ©Jack Binch