Q: When do you have to separate brother and sister rabbits to avoid pregnancy?

A: There are some telltale signs of impending incest.

First, the brother and sister will start spending a lot of time together. They'll look at each other in a certain way, a way that makes your stomach knot up and sends a chill down your spine.

Soon, the brother and sister rabbit will play only with each, and their play will become increasing rough.

Eventually, you won't see the brother and sister rabbit around much anymore. They'll be off on their own, "playing."

When you investigate their playsite, you'll find nothing empty cans of carrot juice and copies of Doing it Like Bunnies magazine scattered everywhere.

That's when you know that your worst fears have been realized.

On the plus side, matings between siblings produce an abundance of offspring.

Sure they can't hop straight, and their ears point in the wrong direction and their eyes are on the same side of their face, but there's so many, I'm practically giving them away.

How many would you like?