Snake stores sperm for five years then gives birth

Well, I knew a snake could slow it metabolism but to extend that to sperm from another snake is just kinda gross and amazing.
A rattlesnake in Florida has been kept alone in captivity for five years since 2005, no contact with any other snakes at all. Yet, amazingly enough, the snake gave birth!

Snake stores sperm for five years before giving birth – life – 24 October 2011 – New Scientist.

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