| Front | Side | Back | Females | Immature | Close-ups | Pairs | Groups | Flying | Action | Action 2 |    (feature)    
  

  
   Harlequin Duck
   Histrionicus histrionicus
 Female
 Yellowstone National Park
 Wyoming
 14 May 2014
     
 by John Crawley
 ©John Crawley
   Harlequin Duck
   Histrionicus histrionicus
 Antelope Island Causeway
 Davis County, Utah
 10 Nov 2011
     
 by Richard Young
 ©Richard Young
   Harlequin Duck
   Histrionicus histrionicus
 Antelope Island Causeway
 Davis County, Utah
 28 Sep 2011
     
 by Paul Higgins
 ©Paul Higgins
   Harlequin Duck
   Histrionicus histrionicus
 Antelope Island Causeway
 Davis County, Utah
 28 Sep 2011
     
 by Paul Higgins
 ©Paul Higgins
   Harlequin Duck
   Histrionicus histrionicus
 Antelope Island Causeway
 Davis County, Utah
 30 Sep 2011
     
 by Paul Higgins
 ©Paul Higgins