Most people believe all snakes lay eggs, but that is not always true. Several snake species give birth to live young instead. This reproductive method is called viviparity or ovoviviparity. It helps snakes survive in colder or harsher environments. Live birth allows mothers to protect developing young internally. This strategy reduces egg exposure to predators and climate risks. Scientists say this adaptation shows remarkable evolutionary flexibility.
All snakes give birth to eggs except for some remarkable species that have live births. These snakes employ a special reproductive strategy, giving their offspring a head start in life. (Image: Canva)
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Green Anaconda (Eunectes murinus): The green anaconda, a giant snake from around the world, produces live offspring. Males give birth to as many as dozens of fully developed offspring anacondas in tropical South America. (Image: Canva)
Eyelash Viper (Bothriechis schlegelii): Recognised for its striking looks, the eyelash viper is a live-born snake. This venomous serpent is a small, rainforest-dwelling animal that is native to Central and South America. (Image: Canva)
Death Adder (Acanthophis antarcticus): Australia is home to the death adder, which gives birth to live young instead of eggs. Its ambush behaviour is a perfect match for its way of giving birth. (Image: Canva)
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Western Diamondback Rattlesnake (Crotalus atrox): This popular North American rattlesnake species gives live birth. Young snakes are born fully active, ready to go out and hunt right away. (Image: Canva)
Eastern Garter Snake (Thamnophis sirtalis sirtalis): The Eastern Garter Snake is ubiquitous in North America. It reproduces via live young in grasslands and marshes, offering better survival opportunities for the young. (Image: Canva)
Common Boa Constrictor: The boa constrictor, which is in Central and South America, gives live birth. These snakes are different from egg-laying snakes, as their babies are born ready to take care of themselves. (Image: Canva)
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Yellow-Bellied Sea Snake (Hydrophis platurus): The Yellow-Bellied Sea Snake inhabits oceans and gives live birth. It never requires land, as babies are delivered right into the sea. (Image: Canva)
Live birth in snakes challenges common assumptions about reptiles. It shows how species adapt to demanding environments. These snakes highlight nature’s ability to evolve diverse survival strategies. Understanding them helps scientists study climate adaptation. Such knowledge also deepens appreciation for reptile diversity worldwide.
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