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   Lesser Scaup
   Aythya affinis
 Female
 Provo River oxbow
 Utah County, Utah
 4 Apr 2018
  
 by Cliff Miles
 İCliff Miles
   Lesser Scaup
   Aythya affinis
 Female
 Sandy Fishing Pond
 Sandy, Utah
 4 Feb 2012
  
 by Ronald Walker
 İRonald Walker
   Lesser Scaup
   Aythya affinis
 Female
 Bill Williams NWR
 Lake Havasu, AZ
 20 Jan 2011
  
 by Ted Fitzgerald
 İTed V. Fitzgerald