Larus cachinnans

(last update: February 16, 2013)

Greg Neubauer
Marcin Przymencki
Albert de Jong
Mars Muusse


cachinnans plumages

Larus cachinnans adult, June 28 2012, Baku landfill, Azerbaijan. Picture: Chris Gibbins.

Long grey tongue on underside of P10, that curves back at the edge. Full sub-terminal band on P10. For cachinnans, broad medial band on P10. (see also this bird)
Speckling category:>75%. Colour of iris: dark.
Red gape and orbital ring. Pinkish legs.
Measurement of bill dimension from picture: 2,79 = slim, slight gonydeal angle (ratio 2.4-2.79) = trait score 1.