Larus cachinnans

(last update: February 16, 2013)

Greg Neubauer
Marcin Przymencki
Albert de Jong
Mars Muusse


cachinnans plumages

Larus (cachinnans) mongolicus adult, June 11 2013, Dornod, Mongolia (47,27N 115,32E). Picture: Hadoram Shirihai.

Alarming bird, near the nest. Much black in wingtip, with medium mirror on P10, full sub-terminal band on P10 and medium pale tongue on P10 (medial band broader than distance mirror-tip). Only tiny mirror on p9, full band om P5 and black on outerweb of P4.
Yellow iris with some speckling, red orbital ring. Still some black in tail, but greater primarey coverts adult-like grey (probably 5CY or 6CY bird).