ADULT BREEDING
Black coverts
Contrast
Pale
Red
ADULT BREEDING
White
Contrast
Pale
Black coverts
Red
White
Contrast
ADULT BREEDING
White
ADULT WINTER
Blotches
Dark hand
ADULT WINTER
Pale rump
Dark secondaries
Dark outer prim.
White collar
Contrast
No patch
Pale coverts
Pale rump
IMMATURE