栉龙(Saurolophus),又名龙栉龙、蜥脊龙、蜥嵴龙、蜥冠鳄、蜥冠龙等,是已经进化了的带冠的鸭嘴龙类,头顶部向后倾斜着一个骨质尖刺,鼻子周围下垂的皮肤被这个尖刺支撑起来。栉龙可以把尖刺像吹气球一样充上气,使自己的鸣叫声更为响亮,他们群居在一起,鸣叫声正是他们的联络信号。
副栉龙的冠饰可能由于蛋白质而富于颜色,但它还有另一个用处,那就是音频部件。
The crest of Parasaurolophus would likely have been brightly colored by these proteins, but it had another use too... as an audio component.
用CT扫描副栉龙的冠饰,我们会发现这种动物会发出低频音,可以传向浓密的丛林深处。
CT scans of Parasaurolophus' crest reveals the animal likely trumpeted low-frequency sounds that traveled well within a dense forest environment.
应用推荐