[[Boidae|Boids]] include boas and pythons. Boas are viviparous and have single, undivided subcaudal [[Snake Skin|scales]]. Pythons are oviparous and generally have divided subcaudal scales. Common pets include [[Boa constrictor|boa constrictors]], [[Royal Python|royal pythons]] (known as ball pythons in North America) and [[Burmese Python|Burmese pythons]]. | [[Boidae|Boids]] include boas and pythons. Boas are viviparous and have single, undivided subcaudal [[Snake Skin|scales]]. Pythons are oviparous and generally have divided subcaudal scales. Common pets include [[Boa constrictor|boa constrictors]], [[Royal Python|royal pythons]] (known as ball pythons in North America) and [[Burmese Python|Burmese pythons]]. |