| Males | FemalesWinter males | GroupsComparedAction | Action 2 | Action 3 |  
  

  
   Common Merganser
   Mergus merganser
 Female
 Lincoln Beach, Utah Lake
 Utah County, Utah
 16 Mar 2016
     
 by Ted Fitzgerald
 ŠTed V. Fitzgerald
   Common Merganser
   Mergus merganser
 Female
 Pleasant Grove, Utah
 March 2011
     
 by Jeff Cooper
 ŠJeff Cooper
   Common Merganser
   Mergus merganser
 Female
 Lake Tahoe, California
 2 Jun 2008
     
 by Kendall Brown
 ŠKendall W. Brown
   Common Merganser
   Mergus merganser
 Female
 Bear River MBR
 Box Elder County, Utah
 5 Jan 2008
     
 by Paul Higgins
 ŠPaul Higgins
   Common Merganser
   Mergus merganser
 Female
 Bear River MBR
 Box Elder County, Utah
 5 Jan 2008
     
 by Paul Higgins
 ŠPaul Higgins
   Common Merganser
   Mergus merganser
 Female
 Farmington Bay
 Davis County, Utah
 25 Jan 2007
     
 by Kent Keller
 ŠKent R. Keller