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Definition 2024

alcid ‎(plural alcids)

(ornithology) A bird of the family Alcidae, including auks and puffins.
- 1977, Olga Kuthanová, translating Jan Hanzák & Jiří Formánek, The Illustrated Encyclopedia of Birds, London 1992, p. 177:
  Some alcids remain underwater as long as two minutes, exceptionally even longer, and dive to depths of thirty metres.