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Herring x Great Black-backed Gull hybrid (smithsonianus/argenteus x marinus)
IMAGES:
DESCRIPTION:
1)
1 possible first winter (the Ventura mystery gull)
2)
1 possible adult (from Van Damme State Beach, CA)
HERRING X GREAT BLACK-BACKED GULL (...) smithsonianus/argenteus x marinus
| 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.