ADULT BREEDING
Black cap
Dark
Pale
White
Deep red
Short
Deep red
Short
ADULT BREEDING
Black cap
Dark
Pale
White
White crown
Ill-defiend black
Grey
ADULT WINTER
Dagger shaped
Deep
Dagger shape
White
IMMATURE
Ill-defined
Coarse pattern
Grey
Long legs
IMMATURE AUGUST
IMMATURE AUGUST
Ill-defined black
White
Mostly adult-like back
Grey
IMMATURE AUGUST
No collar
Ill-defined black
White forehead
Grey
Coarse pattern (moulting)
Ill-defined mask
IMMATURE AUGUST