Atlantic Yellow-legged Gull (atlantis)

(last update: October 12, 2011)

Coordinators:
Rui Caratão (Portugal)
Mars Muusse (Netherlands)

Atlantic YLG (atlantis) sub-adult, September 07 2012, Terceira, Azores Islands. Picture: Chris van Rijswijk.

P7/P10. Probably 4cy but advanced 3cy hard to exclude.