Evolution has been caught in the act. Scientists have discovered
a group of yellow bellied three toed skinks in colder areas of
Australia have more or less abandoned egg laying and are now
giving live birth.towards live birth. Their counterparts in
warmer areas of Australia continue to use eggs as a means of
reproduction. From the National Geographic: Along the warm
coastal lowlands of New South Wales, the yellow-bellied three-
toed skink lays eggs to reproduce. But individuals of the same
species living in the state’s higher, colder mountains are
almost all giving birth to live young. Only two other modern
reptiles—another skink species and a European lizard—use both
types of reproduction. Read the entire article at the National
Geographic.