Larus cachinnans

(last update: February 16, 2013)

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cachinnans plumages

1cy August
1cy September
1cy October
1cy November
1cy December

2cy January
2cy February
2cy March
2cy April
2cy May
2cy June
2cy July
2cy August
2cy September
2cy October
2cy November
2cy December

3cy January
3cy February
3cy March
3cy April
3cy May
3cy June
3cy July
3cy August
3cy September
3cy October
3cy November
3cy December

sub-adult January
sub-adult February
sub-adult March
sub-adult April
sub-adult May
sub-adult June
sub-adult July
sub-adult August
sub-adult September
sub-adult October
sub-adult November
sub-adult December

adult January
adult February
adult March
adult April
adult May
adult June
adult July
adult August
adult September
adult October
adult November
adult December

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).