Artificial intelligent assistant

blackback

ˈblackback
  A species of sea-gull; the black-backed gull (Larus marinus).

1855 Kingsley Westw. Ho. xxxii. (D.) The great black-backs laughed querulous defiance at the intruders. 1863 Reader 29 Aug., Mer and shearwater, blackback and herring-gull.

Oxford English Dictionary

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