Darkgrey-backed Gull


4cy possible hybrid Herring x Great Black-backed Gull Larus argentatus x marinus? with Finnish ring HT252852 (ringed as pullus in Kuusamo (65.57'N 29.14'E), N Finland 26.06.2004). Note the size and structure, which are very argentatus-like.
Photographed at Kalote dump Klaipeda, Lithuania 14.11.2007. Foto: Vytautas Pareigis


Possible hybrid Herring x Great Black-backed Gull Larus argentatus x marinus?
Note pink legs, excluding LBBG option. Kalote dump Klaipeda, Lithuania 14.11.2007. Foto: Vytautas Pareigis


Possible hybrid Herring x Great Black-backed Gull Larus argentatus x marinus? Clearly darker grey than any argentatus.
Kalote dump Klaipeda, Lithuania 14.11.2007. Foto: Vytautas Pareigis


Possible hybrid Herring x Great Black-backed Gull Larus argentatus x marinus? Black in five primaries.
Kalote dump Klaipeda, Lithuania 14.11.2007. Foto: Vytautas Pareigis


Possible hybrid Herring x Great Black-backed Gull Larus argentatus x marinus?
Kalote dump Klaipeda, Lithuania 14.11.2007. Foto: Vytautas Pareigis