The ornithopod is the first hatchling of a brood of plant-eating dinosaurs.
鸟龙是用人工草食性恐龙的幼苗培养的。
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When Ms Drumheller and Mr Boyd examined the bones of juvenile upper-Cretaceous ornithopods dug up in Utah they saw marks on one skeleton that looked suspiciously like those modern crocodiles inflict when biting and tearing at their prey.
当庄姆海勒与博依德对犹他州出土的白垩纪年幼的亚目食草恐龙的化石进行检查时,他们在一副骨架上发现了看上去像是遭受现代鳄鱼撕咬的痕迹。
The 3300 tracks preserved represent at least 130 different dinosaurs, all but two of whom - our large mystery dinosaur and another ornithopod who came and went before the action - were Wintonopus or Skartopus trackmakers.
保存下来的 3300 条足迹代表了至少 130 种不同的恐龙,其中只有两种——我们的大型神秘恐龙和另一只在行前来来往往的恐龙——都是 Wintonopus 或 Skartopus trackmakers。