Larus cachinnans

(last update: February 16, 2013)

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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 1cy-2cy PUNU August 21 2010, Lubna, Poland & March 2011, Vrbice, Czech Republic. Picture: Michal Rycak & Dusan Boucny.

Ringed in Ukraine as pullus on June 05 2010 at Cherkasy Kreminchuk reservoir. Metal L-009686.

below: 1cy PUNU August 21 2010, Lubna, Poland. Picture: Michal Rycak.

Active moult in scapulars, with large moult gaps. Pale underwing.

below: 2cy PUNU March 2011, Vrbice, Czech Republic. Picture: Dusan Boucny.

2CY Caspian Gull (first-winter plumage). This is a textbook bird in every respect, and it has the ring to prove its credentials. However, not all Caspian Gulls are this distinctive, and not all carry a helpful ring. Unringed and less typical individuals can create identification headaches, especially given the problems posed by hybrid Caspian x Herring Gulls.

Note that the 'boa in the neck' consists of fine-streaked 2nd gen feathers.