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Posts tagged “Viviparous snakes

Common Gartersnakes Giving Birth

Most species of snakes lay eggs (oviparous), but some give birth to live young (viviparous), including the common gartersnake (Thamnophis sirtalis).  Gartersnakes are born at this time of year, and are on their own from the moment of birth.  The greatest number of gartersnakes to be born in a single litter is 98, but 14 – 40 is more typical.  The common gartersnake in the accompanying photograph is a newborn, measuring 6 inches in length.