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