Gulls

species: 
Herring Gull
scientific name: 
Larus argentatus
notes: 

Yellow ring with a black four alpha code.

note 1 : it is not possible to identify the ringed small chicks exactly, additional photos by observers are welcome. In most cases the gulls are Caspian Gulls or Herring Gulls, but note the existence of many hybrids. The participation of some Yellowlegged and Lesser Black-backed Gulls is also possible.

note 2 :

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 code (4 letters).
countries where ringed: 
Germany.
First letter/number (of the c-ring): 
X