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Noun

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gastornithid (plural gastornithids)

  1. (zoology) Any extinct bird in the family Gastornithidae.
    • 2017 November 22, Hanneke Meijer, The Guardian[1]:
      However, as the beaks lack hooks typical for carnivorous birds, and calcium isotopes in the bones do not support a meat-based diet (Angst et al., 2014), it is now assumed that gastornithids were herbivores.