They're the only iguanas that can swim and forage underwater!
它们是唯一能游泳并在水下觅食的蜥!
One day while doing research at the Hunterian Museum in London, Mantell fell into conversation with a fellow researcher who told him the tooth looked very like those of animals he had been studying, South American iguanas.
有一天,曼特尔在伦敦的亨特博物馆作研究,跟一位同事攀谈起来。那位同事对他说,它看上去很像是他一直在研究的那种动物——南美蜥的牙齿。