Noah's problem

[rebbonk]

When the ark settled safely after the flood, Noah commanded to all the animals, "Go forth and multiply"

He went back into the ark only to find two snakes still sitting at the back.

So he commanded again," Go forth and multiply"

Still they sat there.

So Noah asked,"Why do you not follow my commands?"

With their flickering tongues they replied, "Noah, we can't go forth and multiply,

Spoiler:

we're Adders