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

  
   Common Merganser
   Mergus merganser
 Females
 Millrace Pond, Jordan River Parkway
 Taylorsville, Utah
 1 Mar 2013
     
 by Terry Sadler
 İTerry Sadler
   Common Merganser
   Mergus merganser
 Females
 Millrace Pond, Jordan River Parkway
 Taylorsville, Utah
 1 Mar 2013
     
 by Terry Sadler
 İTerry Sadler
   Common Merganser
   Mergus merganser
 Female with young
 Causey Reservoir
 Weber County, Utah
 Spring 2008
     
 by Scott Baxter
 İScott Baxter
   Common Merganser
   Mergus merganser
 Female & 2 Males
 Lake Tahoe, California
 3 Jun 2008
     
 by Kendall Brown
 İKendall W. Brown
   Common Merganser
   Mergus merganser
 Female and Male
 Vancouver
 British Columbia, Canada
 6 Apr 2005
  
 by Marvis Collett
 İMarvis Collett
   Common Merganser
   Mergus merganser
 Females in alternate plumage
 Heaps Canyon, Zion NP
 Washington Co., Utah
 13 Feb 2005
  
 by David A. Rintoul
 İDavid A.. Rintoul