Gulls

species: 
Lesser Black-backed Gull
scientific name: 
Larus fuscus
notes: 

Combination of c-rings (on both tibia or tarsus left or right).

note 1 : it is necessary to mark the age of the bird.

note 2 : the rings are small, pigeon-type.

note 3 : on left or right tibia is a metal Paris-ring.

note 4 : the project concerns birds touched by botulism's in the Pas-de-Calais, France.

email sighting submit: 
colour-ring type: 
Legrings : combination of uncoded.
countries where ringed: 
France.