Larus cachinnans

(last update: February 16, 2013)

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sub-adult January
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adult January
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Larus (cachinnans) mongolicus AL54 adult, May 26-28 2013, Telmen Nuur, Mongolia (48°49'N, 97°10'E). Picture: Andreas Buchheim.

Please visit Birding Mongolia Blog for many more images!

Adult bird, trapped in NE Mongolia. Mongolicus adult AL54.

Wingtip: White mirror well separated from small white tip, by broad sub-terminal black band. Long pale tongue on P10, leaving narrow medial band (medial band about equal to length of mirror+tip). Mirror on both webs of P9. Full band on P5 and on P4. No 'white moons', no white tongue tips on P6-P8. Moult score: P1-P10 present, PMS=0.