7 snakes that give birth instead of laying eggs

Many snakes do not lay eggs. They give birth to live young. This helps them survive in harsh environments. Boa constrictors and garter snakes are examples. Green anacondas and rinkhals also give birth. European adders and red-bellied black snakes do the same. Gaboon vipers protect their young this way. This adaptation increases the survival chances of baby snakes.

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