| Slaty-backed gull | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Charadriiformes |
| Family: | Laridae |
| Genus: | Larus |
| Species: | L. schistisagus
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| Binomial name | |
| Larus schistisagus Stejneger, 1884
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The slaty-backed gull (Larus schistisagus) is a large, white-headed gull that breeds on the north-eastern coast of the Palearctic, but travels widely during nonbreeding seasons. It is similar in appearance to the western gull and the glaucous-winged gull. Another alternate name is Pacific gull, though it also applies to a Southern Hemisphere species, L. pacificus.
- ^ BirdLife International (2018). "Larus schistisagus". IUCN Red List of Threatened Species. 2018: e.T22694362A132544713. doi:10.2305/IUCN.UK.2018-2.RLTS.T22694362A132544713.en.