Sc. (Shetland). [Shortening of SWARTBACK.] The greater black-backed gull.

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1821.  Scott, Pirate, x. A thousand varying screams, from the deep note of the swabie, or swartback, to the querulous cry of the tirracke.

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1837.  Dunn, Ornith. Orkney & Shetl., 110.

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