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

  
  Long-tailed Duck
  Clangula hyemalis
 Bolsa Chica Ecological Reserve
 Huntington Beach, California
 26 Dec 2016
  
 by Kendall Brown
 ©Kendall W. Brown
  Long-tailed Duck
  Clangula hyemalis
 Bolsa Chica Ecological Reserve
 Huntington Beach, California
 26 Dec 2016
  
 by Kendall Brown
 ©Kendall W. Brown
  Long-tailed Duck
  Clangula hyemalis
 Immature Male
 Antelope Island Causeway
 Davis County
 18 Nov 2013
  
 by Paul Higgins
 ©Paul Higgins