以下为句子列表：
英文: 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.
中文: 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，牠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，牠们是因突如其来的洪水而成群死亡。
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