Gulls

species: 
Caspian Gull
scientific name: 
Larus cachinnans
notes: 

Yellow ring with a black three numeric code.

note 1 : used codes are: 0.01 ~~ 0.99

note 2 : a ringing and GPS tagging project commenced in 2023 at an artificial archipelago in the IJsselmeer (The Netherlands), where Caspian Gulls breed in rapidly increasing numbers.

note 3 : 

email sighting submit: 
contactperson: 
Kees Camphuysen
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Yellow [Y]
colour-ring code (of the c-ring): 
Three numeric code (3 numbers).
countries where ringed: 
The Netherlands.
Images: