Skullcrawler. A species of giant, predatory lizard monsters that live underground and move on two single legs. They have a very fast metabolism, making them incredibly voracious. Skullcrawlers were the main threat to all life on Skull Island, and were even feared by the island's natives, who called themselves Iwi. Since they lack a cloaca (the only exit hole for reptiles), Skullcrawlers are forced to regurgitate the body parts of their prey that they can't digest.



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