Larus cachinnans

(last update: February 16, 2013)

Coordinator:
Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)

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cachinnans plumages

Larus cachinnans 2cy, August, Finland. Picture: Chris Gibbins.

Maybe cachinnans, maybe hybrid. Jizz, underwing and call all fit cachinnans, but heavily marked. White underwing.