What commonality exists regarding reproduction between *Storeria occipitomaculata* and *Pseudechis porphyriacus*?

Answer

They both give birth to a small litter of live young.

Both the small North American snake and the Australian elapid share the trait of being viviparous, giving birth to live young rather than laying eggs.

What commonality exists regarding reproduction between *Storeria occipitomaculata* and *Pseudechis porphyriacus*?
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