One of the most remarkable creatures is the "man of the mountain," Adne Sadeh, or, briefly, Adam.[147] His form is exactly that of a human being, but he is fastened to the ground by means of a navel-string, upon which his life depends. The cord once snapped, he dies. This animal keeps himself alive with what is produced by the soil around about him as far as his tether permits him to crawl. No creature may venture to approach within the radius of his cord, for he seizes and demolishes whatever comes in his reach. To kill him, one may not go near to him, the navel-string must be severed from a distance by means of a dart, and then he dies amid groans and moans.[143] Once upon a time a traveller happened in the region where this animal is found. He overheard his host consult his wife as to what to do to honor their guest, and resolve to serve "our man," as he said. Thinking he had fallen among cannibals, the stranger ran as fast as his feet could carry him from his entertainer, who sought vainly to restrain him. Afterward, he found out that there had been no intention of regaling him with human flesh, but only with the flesh of the strange animal called "man."[146] As the "man of the mountain" is fixed to the ground by his navel-string, so the barnacle-goose is grown to a tree by its bill. It is hard to say whether it is an animal and must be slaughtered to be fit for food, or whether it is a plant and no ritual ceremony is necessary before eating it.[150] Among the birds the phoenix is the most wonderful. When Eve gave all the animals some of the fruit of the tree of knowledge, the phoenix was the only bird that refused to eat thereof, and he was rewarded with eternal life. When he has lived a thousand years, his body shrinks, and the feathers drop from it, until he is as small as an egg. This is the nucleus of the new bird.[151]