| ♂ Spring | ♂ Transition | ♂ Winter | ♀ Spring | ♀ Winter | Immature ♂ | Immature ♀ | Flying | Act.1 | Act.2 | Act.3 | Act.4 |  
  

  
  Long-tailed Duck
  Clangula hyemalis
 Winter Male
 Antelope Island Causeway
 Davis County
 31 Dec 2014
  
 by Paul Higgins
 ŠPaul Higgins
  Long-tailed Duck
  Clangula hyemalis
 Winter Male
 Antelope Island Causeway
 Davis County
 31 Dec 2014
  
 by Paul Higgins
 ŠPaul Higgins
  Long-tailed Duck (Oldsquaw)
  Clangula hyemalis
 Winter Male
 Antelope Island Causeway
 Davis County
 11 Jan 2009
  
 by Paul Higgins
 ŠPaul Higgins
  Long-tailed Duck (Oldsquaw)
  Clangula hyemalis
 Winter Male
 Antelope Island Causeway
 Davis County
 19 Dec 2007
  
 by Paul Higgins
 ŠPaul Higgins
  Long-tailed Duck (Oldsquaw)
  Clangula hyemalis
 Winter Male
 Antelope Island Causeway
 Davis County
 11 Jan 2009
  
 by Paul Higgins
 ŠPaul Higgins
  Long-tailed Duck (Oldsquaw)
  Clangula hyemalis
 Winter Male
 Antelope Island Causeway
 Davis County
 19 Dec 2007
  
 by Paul Higgins
 ŠPaul Higgins
  Long-tailed Duck (Oldsquaw)
  Clangula hyemalis
 Winter Male
 Antelope Island Causeway
 Davis County
 19 Dec 2007
  
 by Paul Higgins
 ŠPaul Higgins
  Long-tailed Duck (Oldsquaw)
  Clangula hyemalis
 Winter Male
 Antelope Island Causeway
 Davis County
 11 Jan 2009
  
 by Paul Higgins
 ŠPaul Higgins