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Cainehill said:
Technically, I believe snakes lay eggs, which generally isn't considering giving birth.
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I was going to comment on that and further define that few snake species are also capable of live birth, but it seems there are many snake species that do this:
http://www.szgdocent.org/resource/rr/c-egg.htm wrote:
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Do snakes give birth to live young? Some give birth to live young. This minimises the exposure to the elements and predators. All snakes which live in cool climates give birth to live young because laid eggs will not be warm enough to develop properly. Live birth is also common among terrestrial snakes in warmer areas. Tree-dwelling snakes get too heavy carrying eggs and so lay them.
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