Melbourne Zoo welcomed eight newly hatched Gila monsters, a lizard with a surprising link to Ozempic, the weight-loss drug that’s made headlines. A protein found in the Gila monsters’ venom, Exendin-4, inspired the development of the drug. Melbourne Zoo welcomed eight newly hatched Gila monsters, a lizard with a surprising link to Ozempic, the weight-loss drug that’s made headlines. A protein found in the Gila monsters’ venom, Exendin-4, inspired the development of the drug.