Unlike most snakes, Dumeril’s boas give live birth, protecting embryos internally until fully developed neonates emerge.

Q. When we studied high school biology, our teacher said more than 99 percent of animals lay eggs and only a few give live birth. That percentage seems too high. Humans, dogs, cats and cows are ...

Snakes, like most reptiles in the world, are oviparous. This means that rather than producing live young ones, the way mammals do, snakes produce an immature single cell — an egg. Most snakes follow ...

Add Yahoo as a preferred source to see more of our stories on Google. Animals reproduce in a variety of fascinating ways. Some species, including humans and many other mammals, give birth to live ...