| Males | FemalesWinter malesGroupsComparedAction | Action 2 | Action 3 |  
  

  
   Common Merganser
   Mergus merganser
 Female
 Lincoln Beach, Utah Lake
 Utah County, Utah
 16 Mar 2016
     
 by Ted Fitzgerald
 ęTed V. Fitzgerald
   Common Merganser
   Mergus merganser
 Female & Male
 Starvation Reservoir
 Duchesne County, Utah
 15 Apr 2011
     
 by Ted Fitzgerald
 ęTed V. Fitzgerald
   Common Merganser
   Mergus merganser
 Male
 Starvation Reservoir
 Duchesne County, Utah
 15 Apr 2011
     
 by Ted Fitzgerald
 ęTed V. Fitzgerald

  

 Common Merganser
 Mergus merganser

 Male
 Lake Tahoe, CA
 3 Jun 2008

 by Kendall Brown
 ęKendall W. Brown

   Common Merganser
   Mergus merganser
 Male
 Lake Tahoe, California
 3 Jun 2008
     
 by Kendall Brown
 ęKendall W. Brown