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