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| Thayer's Gull Larus thayeri
- Non-breeding adult in flight |
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| Photographer : | © Aurélien Audevard |
| Location : | Petaluma, California, USA |
| Date : |
4 February 2016 |
| English synonyms: | Thayer's Iceland Gull, Iceland Gull |
| Bird Family : | Larini - Gulls |
| Bird Group : | CICONIIFORMES |
| Red Data Status : | Least Concern |
| Remarks : | |
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