Larus cachinnans

(last update: February 16, 2013)

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cachinnans PDF

cachinnans in Poland

cachinnans in Holland

cachinnans rings

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 hybrid 1CY-2CY P463 December 2012 & March 2013, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

Green P463 and metal (PLG) DN24753, ringed as pullus on May 27 2012 at J. Wytyckie, Wytyczno, Ursuzulin, east Poland, (52°25'48" N,  23°13'12" E). This is a mixed breeding colony in eastern Poland, with most birds breeding here cachinnans, but in this area also records of very few michahellis and/or argentatus are possible (see PDF). P463 close to cachinnans, but probably hybrid.

below: cachinnans hybrid 1CY P463 December 28 2012, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

Compact bird, in this picture nicely showing jizz close to argentatus, which is the group around P463 as well.

below: note short legs, stubby bill, and pattern on coverts.

below: cachinnans hybrid 2CY P463 March 21 2013, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

All scaps replaced, coverts and tertials still juvenile. In the next pictures, some resemblance to michahellis...

below: showing tail pattern, which strongly recalls cachinnans.