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Herring x Lesser Black-backed Gull hybrid (smithsonianus/argenteus x graellsii)


IMAGES:

1) 1 presumed adult at colony in UK; standing and in flight
2) 1 possible adult the Longport, NJ mystery gull

DESCRIPTION:

HERRING X LESSER BLACK-BACKED GULL (...) smithsonianus/argenteus x graellsii

BILL SHAPE: ...
HEAD SHAPE: ...
WING EXTENSTION: ...
POSTURE/HABITS: ...
FIRST WINTER SECOND WINTER THIRD WINTER ADULT WINTER
BILL COLOR: ... ... ... ...
LEG COLOR: ... ... ... ...
IRIS/ORB RING: dark ... ... ...
HEAD: ... ... ... ...
UNDERPARTS: ... ... ... ...
PRIMARIES
(folded):
... ... ... ...
PRIMARIES
(in flight):
... ... ... ...
SECONDARIES
(in flight):
... ... ... ...
TERTIALS: ... ... ... ...
GREATER COVERTS: ... ... ... adult gray
LESSER & MED COVERTS: ... ... ... adult gray
SCAPULARS: ... ... ... ...
BACK: ... ... ... ...
RUMP: ... ... ... white
TAIL: ... ... ... white

The was table created by Steve Hampton and is intended to futher our knowledge of gull identification. Please email me at shampton@ospr.dfg.ca.gov if you have any suggestions for updating or improving this table. Thanks.