Larus cachinnans

(last update: February 16, 2013)

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1cy August
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2cy January
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3cy January
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sub-adult January
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sub-adult August
sub-adult September
sub-adult October
sub-adult November
sub-adult December

adult January
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adult December

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

Large mirror on P10, full sub-terminal black band. Small mirror on P9.
Speckling category: 10-25%. Colour of iris: yellow.
Red gape and orbital ring. Pinkish legs.
Measurement of bill dimension from picture: 2,80 = very long and slim, with little/no visible gonydeal angle (L:D ratio >2.8) = trait score 0. (Measurements slightly hampered by positioned bill.)