Larus cachinnans

(last update: February 16, 2013)

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sub-adult January
sub-adult February
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sub-adult May
sub-adult June
sub-adult July
sub-adult August
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sub-adult November
sub-adult December

adult January
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adult July
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Larus (cachinnans) mongolicus AN15 adult, June 2013, Mongolia. Picture: Andreas Buchheim.

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Adult bird, trapped in NE Mongolia. Mongolicus adult AN15.

Wingtip: Much white. White mirror merges with white tip, no sub-terminal band. Long pale tongue on P10, leaving narrow medial band (medial band smaller than length of mirror+tip). Large mirror on both webs of P9. Full band on P5, black spot on P4. No 'white moons', no white tongue tips on P6-P8. Moult score: P1-P10 present, PMS=0.