Gulls

species: 
Yellow-legged Gull
scientific name: 
Larus michahellis
notes: 

Yellow ring with a black four alpha code [, thrid letter "P", fourth letter "M" and between second and third letter a colon ":"]

note 1 : used codes are : XX:PM

note 2 : birds ringed on an island in the Ria Formosa Natural Park.

note 3 :

email sighting submit: 
contactperson: 
Paolo Marques,
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: 
Portugal.