Larus cachinnans

(last update: February 16, 2013)

Coordinator:
Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)

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cachinnans plumages

Larus cachinnans hybrid 4CY-5CY 33P2 February 13 2009 & December 24 2010, Barneveld & Gouda, the Netherlands. Picture: Maarten Kaales & Johannes Luiten.

Ringing data:
G:\alpina_logo.tif Ornitological Station Museum and Institute of Zoology PAS, Nadwiślańska 108, 80-680 Gdańsk
tel. +48 (58) 30-80-759, fax +48 (58) 30-80-982          email: ring@miiz.waw.pl, http://www.stornit.gda.pl
We are grateful to you for your report of a ringed bird. You will find the ringing and finding details below.
 If you notice any errors please let us know.
Ring: GDAŃSK  DN 13730     (ring verified)
Colour ring: LEGRING  GREEN  33P2 
Ringing data
Species: HERRING GULL COLONY (LARUS ARGENTATUS KOLONIA)
Sex, age:         NESTLING            
Status:                                         
Date: 22.05.2006   
Place: RZ.WISŁA,WŁOCŁAWEK:TAMA, KUJAWSKO-POMORSKIE, POLAND
Coordinates: 52°39'N, 19°08'E     (PLKP)
Ringer: G. NEUBAUER, M. ZAGALSKA-NEUBAUER
Finding data
Date: 24.12.2010   
Place: RIVER HOLLANDSCHE IJSSEL,GOUDA, ZUID-HOLLAND, NETHERLANDS
Coordinates: 51°59'N, 04°41'E     (NL19)
Species: CASPIAN GULL ?                
Sex, age:         
Circumstances: COLOUR RING READ,PHOTO,ODCZYTANO KOLOROWĄ OBRĄCZKĘ,ZDJĘCIE  
Finder: J. LUITEN     ref. 4325/10
Remarks:
Distance:   983 km,     Direction: 269°,     Elapsed time:  1677 days
Euring 2000 code 77-79: 781

below: 4CY 33P2 February 13 2009, Barneveld, the Netherlands. Picture: Maarten Kaales.

Bird very much resembling Herring Gull. Note immature coverts and tertials. Much black on bill.

below: 5CY 33P2 December 24 2010, Gouda, the Netherlands. Picture: Johannes Luiten.

Head shape, especially gonys angle, indicate some influence of Herring Gull.