How Reptiles Give Birth?

While many reptiles lay eggs (oviparity), certain kinds of snakes and lizards give birth to live young: either directly (viviparity) or via internal eggs (ovoviviparity).

Do reptiles lay eggs or give birth?

As a rule, reptiles lay eggs, while mammals deliver young through live birth. ... They found that snakes and lizards first evolved live birth around 175 million years ago. Today, around 20 percent of scaled reptiles reproduce using live birth.

Did reptiles give birth?

Archosaur family. ... The archosaurs' sister clade of turtles also lays eggs, but a third group of reptiles called lepidosaurs, including lizards and snakes, contains some species that give birth to live young — including some sea snakes, boas, skinks and slow worms.