Larus cachinnans

(last update: February 16, 2013)

Coordinator:
Greg Neubauer
Marcin Przymencki
Albert de Jong
Mars Muusse

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cachinnans plumages

Larus cachinnans 3CY JN879 January 05 2013, Bergen, Norway. Picture: Christian Pedersen.

Bird ringed in winter. Note the venetian-blind pattern visible on the inner primaries where the outer webs are dark contrasting with pale grey inner webs. This contrast is much less marked in Herring Gulls.