Many hadrosaurs in other parts of the world had head ornamentations , or crests , but edmontosaurus did not 世界上其他地方有许多鸭嘴龙长了头部装饰物（或称头冠） ，但是爱德蒙脱龙没有。
2.
It seems unlikely that a 10 - meter - long ( 35 - foot - long ) hadrosaur dug a hole in the ground and went into hibernation 一只鸭嘴龙的身长足足有10公尺，似乎不太可能在地上挖个洞，跑到里面去冬眠吧。
3.
Weighing in at between 3 , 000 and 4 , 000 pounds , edmontosaurus ranks among the largest of the hadrosaurs found in north america 爱德蒙脱龙的体重介于1360 ~ 1810公斤之间，可列入北美洲最巨大的鸭嘴龙之林。
4.
In the town of mifune in southwestern japan , japanese archaeologists unearth an 85 million - year - old hadrosaurid dinosaur ' s skull 日本考古学家在日本西南方的三船村掘出一块鸭嘴龙的头骨，距今八千五百万年前。
5.
Scientists have uncovered the mummy of a 67 - million - year - old plant - eating hadrosaur , a duck - billed herbivore common to north america 科学家发现了一具六千七百万年前的鸭嘴龙（一种鸭形嘴的食草恐龙，北美多见）的木乃伊。
6.
Like other hadrosaurs , edmontosaurus were social animals that gathered in herds , as evinced by their bones , which have been found in piles at various places in northern alaska as though groups of them had died in a flash flood 爱德蒙脱龙和其他种类的鸭嘴龙都是社会性动物，常常聚集成群，这一点由骨头可以看出， ?们的骨头在阿拉斯加北部许多地方都是成堆出现；一般认为， ?们是因突如其来的洪水而成群死亡。
