duck-billed dinosaur

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duck-billed dinosaur (plural duck-billed dinosaurs)

  1. An informal name for ornithopod dinosaurs of the family Hadrosauridae derived from the similarity of the heads of certain members of that family to those of modern ducks.
    • 2014, Ian Sample, The Guardian, 28 Jul 2014:
      The scientists' report, published in Biological Reviews, found that while, largely, the dinosaurs were faring well at the time of the asteroid impact, the big plant-eating types, including the horned triceratops and duck-billed dinosaurs, had suffered a loss of biodiversity.