Lizard Moving From Eggs to Live Birth (2010)
by Brian Handwerk
Evolution has been caught in the act, according to scientists who are decoding how a species of Australian lizard is abandoning egg-laying in favor of live birth.
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…
(read more: National Geographic)
photograph by Rebecca A. Pyles
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