Viviparous: This is when there is no egg at all. Snakes that are viviparous nourish their developing young through a placenta and yolk sac, something that is highly unusual among reptiles. read more
Boa constrictors and green anacondas are two examples of viviparous snakes, meaning they give birth to live young with no eggs involved at any stage of development. Ovoviviparous: You can think of this as a "cross" between an egg layer and a snake that gives birth to live young. read more
Vipers,rattlesnakes, boas, and most of the sea snakes give birth to live young. Most of them are not recommended to keep as pets. Boas, can be kept. But if you just want to show the kids a live reptile birth, get a video. read more
Snakes that give birth to live babies rather than lay eggs are boas, vipers and garter snakes. Snakes and reptiles that give birth to live young are called viviparous. These types of snakes generally live in colder climates where it would be hard for eggs to stay warm during incubation. read more