| ♂ Spring | ♂ Transition | ♂ Winter | ♀ Spring | ♀ Winter |   
| Imm.♂Front | Imm.♂Side | Imm.♂Back | Imm.♀Front | Imm.♀Side | Imm.♀Back | Flying | Act.1 | Act.2 | Act.3 | Act.4 |   

  
  Long-tailed Duck (Oldsquaw)
  Clangula hyemalis
 Oquirrh Lake
 Daybreak, Utah
 26 Nov 2020
  
 by Ben Stradling
 ęBen Stradling
  Long-tailed Duck (Oldsquaw)
  Clangula hyemalis
 Winter Female
 Antelope Island Causeway
 Davis County
 21 Dec 2012
  
 by Paul Higgins
 ęPaul Higgins
  Long-tailed Duck (Oldsquaw)
  Clangula hyemalis
 Winter Female
 Antelope Island Causeway
 Davis County
 21 Dec 2012
  
 by Paul Higgins
 ęPaul Higgins
  Long-tailed Duck (Oldsquaw)
  Clangula hyemalis
 Winter Female
 Antelope Island Causeway
 Davis County
 21 Dec 2012
  
 by Paul Higgins
 ęPaul Higgins
  Long-tailed Duck (Oldsquaw)
  Clangula hyemalis
 Winter Female
 Antelope Island Causeway
 Davis County
 19 Dec 2007
  
 by Paul Higgins
 ęPaul Higgins
  Long-tailed Duck (Oldsquaw)
  Clangula hyemalis
 Winter Female
 Antelope Island Causeway
 Davis County
 19 Dec 2007
  
 by Paul Higgins
 ęPaul Higgins