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Definition of Black-backed gull
1. Noun. White gull having a black back and wings.
Exact synonyms: Cob, Great Black-backed Gull, Larus Marinus
Generic synonyms: Gull, Sea Gull, Seagull
Group relationships: Genus Larus, Larus
Generic synonyms: Gull, Sea Gull, Seagull
Group relationships: Genus Larus, Larus