Gulls

species: 
Herring Gull
scientific name: 
Larus argentatus
notes: 

Yellow ring with a black code 4 alpha-numeric code (starting letter 'H') and metal ring (on other leg).

note 1 : xxx stands for numbers and letters.
note 2 : examples  are H99X, H123, HA67, HX43, H789, H23A.
note 3 : rings are to be read from bottom to top, most rings have a “checkpoint”.
note 4 : birds are ringed at Schleswig- Holstein.
note 6 : some rings are used at Lesser Blackbacked Gulls, see this species.

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Yellow [Y]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
Germany.
Images: 
First letter/number (of the c-ring): 
H