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   Lesser Scaup
   Aythya affinis
 Male
 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
 Salt Lake County, Utah
 8 Apr 2014
  
 by John Crawley
 ©John Crawley
   Lesser Scaup
   Aythya affinis
 Male
 Jordan River
 Salt Lake County, Utah
 February 2011
  
 by Evan Jenkins
 ©Evan Jenkins
   Lesser Scaup
   Aythya affinis
 Male
 Farmington Bay
 Davis County, Utah
 23 Nov 2003
  
 by Jack Binch
 ©Jack Binch