| ♂ 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
  Clangula hyemalis
 Immature Female
 Provo Boat Harbor
 Provo, Utah
 December 2013
  
 by John Crawley
 ©John Crawley
  Long-tailed Duck
  Clangula hyemalis
 Immature Female
 Provo Boat Harbor
 Provo, Utah
 December 2013
  
 by John Crawley
 ©John Crawley
  Long-tailed Duck
  Clangula hyemalis
 Immature Female
 Provo Boat Harbor
 Provo, Utah
 December 2013
  
 by John Crawley
 ©John Crawley
  Long-tailed Duck
  Clangula hyemalis
 Immature Female
 Powell Lake
 Lehi, Utah
 8 May 2014
  
 by Cliff Miles
 ©Cliff Miles
  Long-tailed Duck
  Clangula hyemalis
 Immature Female
 Antelope Island Causeway
 Davis County
 18 Nov 2013
  
 by Paul Higgins
 ©Paul Higgins