|
Dinosaur behaviour 恐龙行为 Headbangers 疯狂撞头的家伙 Evidence of duelling dinosaurs 战斗性恐龙的证据 WORKING out how an extinct animal behaved when it was alive is tricky. 对于灭绝的生物来说，要研究出它们存活时的行为是很棘手， But it is not always impossible, 不过也不是完全不可能。 as Joseph Peterson and Collin Dischlerof the University of Wisconsin explained on October 17th to the Society of VertebratePalaeontology meeting held in Raleigh, North Carolina. 10月17日，在北卡罗莱纳州罗利市举行的古脊椎动物学会议上，美国威斯康星大学的约瑟夫彼得森和柯林狄斯勒就对肿头龙的习性做出了一些解释。 Pachycephalosaurs lived 65m years ago. 肿头龙生活在6500万年前。 As their name suggests, they had large, bony, domed heads. 正如其名称所说，它们有巨大的、高隆的头骨。 For years, it was assumed they used these to bash one another in the way that rams donow. 多年来，人们一直认为肿头龙用头攻击同类，就像现在的公羊一样。 | 
