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 3cy, September 10 2009, Preila, Lithuania. Picture: Chris Gibbins.

Probably 3cy bird with much black in tail and tertials. This bird is near to the end of its moult into 3W plumage (the outer primaries are not quite fully grown). A number of subtle features, used collectively, make 3W Caspian Gulls rather distinctive, but as all are found from time to time in Herring Gulls, none are diagnostic.This bird show 'lead shot' eyes, contrasting with a clean white head, greeny-yellow bill and grey-flesh legs.