更为珍贵的是，从这个被掠食者的解剖中发现的：它足部的第三根脚趾。
But the find's true significance is a small detail of the prey's anatomy: the third toe of its foot.
尽管哪些物种是捕食者，而哪些物种又是被掠食者显而易见，但是让多种类型的肉食性动物共存的摄食习性的微妙法门却很少在化石记录中保存下来。
Though it is obvious which species were predators and which prey, the subtle specialisations of feeding habit that allow many types of carnivore to co-exist are rarely preserved in the fossil record.
这位将军称，两架可担负全天侯侦察能力的无人驾驶武装“掠食者”战机目前已经在利比亚使用。首次飞行在今天发起，但由于恶劣天气原因行动被取消。
Two unmanned armed predators capable of around-the-clock coverage are now in Libya, the general added. The first flights launched today but were cancelled because of bad weather.
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