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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
 Farmington Bay
 Davis County, Utah
 13 Feb 2013
   		 by John Crawley
 ©John Crawley
   Lesser Scaup
   Aythya affinis 		 Female
 Provo River oxbow
 Utah County, Utah
 4 Apr 2018
   		 by Cliff Miles
 ©Cliff Miles
   Lesser Scaup
   Aythya affinis 		 Male
 Provo River oxbow
 Utah County, Utah
 4 Apr 2018
   		 by Cliff Miles
 ©Cliff Miles
   Lesser Scaup
   Aythya affinis 		 Male
 Grandpa's Pond
 Hurricane, Utah
 19 Nov 2017
   		 by Jim Bruce
 ©Jim Bruce
   Lesser Scaup
   Aythya affinis 		 Male
 Bill Williams NWR
 Lake Havasu, AZ
 20 Jan 2011
   		 by Ted Fitzgerald
 ©Ted V. Fitzgerald