Larus cachinnans

(last update: February 16, 2013)

Greg Neubauer
Marcin Przymencki
Albert de Jong
Mars Muusse


cachinnans plumages

Larus cachinnans adult, July 03 2012, Baku landfill, Azerbaijan. Picture: Chris Gibbins.

Long pale tongue on P10, medial band thinner than length of mirror+tip. Large mirror on P10, no sub-terminal black. Large mirror on P9.
Speckling category: 25-50%. Colour of iris: greyish yellow.
Orange-red gape and orbital ring. Yellowish legs.
Measurement of bill dimension from picture: 3,07 = very long and slim, with little/no visible gonydeal angle (L:D ratio >2.8) = trait score 0.
No missing coverts, complete moult in very early stage (or not started).