Larus cachinnans

(last update: February 16, 2013)

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Larus (cachinnans) mongolicus AJ52 adult, May 26-28 2012, Terchijn Tsagaan Nuur, Mongolia (48°08'N, 99°38'E). Picture: Andreas Buchheim.

Birding Mongolia (Andreas Buchheim, Tuvshin, Lutz von der Heyde) have been ringing and adding wing-tags at the lake on 26-28 May. They now completed gull ringing with the 240th gull wing-tagged during this expedition, bringing the overall number of wing-tagged Mongolian Gulls to 870.

Mongolicus adult AJ52. White mirror merged with white tip, broken sub-terminal band. Long pale tongue on P10, leaving narrow medial band (medial band about equal to length of mirror+tip). Full band on P5. Black on outerweb of P4. No 'white moons', no white tongue tips on P6-P8. Moult score: P1 not visible, P2-P10 present.

Below: the lake, Terchijn Tsagaan Nuur.