We stood, amazed, and then we followed the tracks through the trees and into an open area. There we found five of them-two big and three little ones. They were enormous, with the babies as big as elephants. They were gray and had scales, like alizard, so in the sun, they shimmered. They all had powerful tails, huge three-toed back feet, and small five-fingered front feet. They were the most extraordinary animal, and we stayed low in the bushes, watching them.