Carrion Crow

Black ring with a white three alpha-numeric code (starting letter S).

note 1 :

Combination of 1 c- ring (letter 'A') and metal ring.

note 1 : by using different colours and combinations, a unique code was created.

Black ring with white 3 OR 4 alpha-numeric code( starting letter J')

note 1 : some hybrids are ringed in southern Norway.

Combination of a 2 alpha ring and metal ring.

note 1 : used (white or black) codes are AA-AZ.

note 2 : used colours for the ring : white, yellow, orange, red, green.

note 3 : used colours for the code : white or black.

note 4: birds ringed in the UK,  county Edinburgh.

note 5 : metal ring on right leg. note 6 : from 2012 onwards : addiional codes CA-CZ will be used.