Larus cachinnans

(last update: February 16, 2013)

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cachinnans in Poland

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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 hybrid? 4CY 8L2B November 28 2012, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

8L2B yellow and metal Kaunas EN03324 (LIK), ringed as pullus on May 23 2009 at Kretuonas, Lithuania (55°14'45" N, 26°04'45" E). Bird from mixed colony "argentatus".

Recoveries:

23-5-2009	Kretuonas	pull	55°14'45"	26°04'45"
28-11-2012	Deponie Pohlsche Heide	4cy	52°23' N	08°46' E

Bird in all respects very adult-like, except maybe for the large amount of black on the bill.

From mixed colony; Long call like cachinnans, but not typical, somewhat like Herring Gull-like (but faster and not so nasal), short primary projection, rounded head shape and fine streaking all over head and hindneck may indicate influence of Larus argentatus parent, but overall this bird recalls cachinnans. See also 2L1C and 8L9B. Image below: together with adult Larus argentatus.

below: underwing pattern on P10 very nicely matching cachinnans.

below: with 1CY Larus michahellis.

below: fighting with 1CY Larus cachinnans.