Always introduce rabbits, regardless of sex or age, in neutral space first.
(Obviously, if you’re bringing home two bunnies together, then any space in your home is neutral space.) Possible neutral spaces might be: a room that your rabbit has never been in, a friend’s home or apartment, the seat of a car, on top of the kitchen table, the garage, the bathtub, the back yard, etc.
What you are trying to do is eliminate the possibility for there to develop any territorial behavior in the rabbits.
So you choose introductory spaces that are as different from your bunny’s territory as possible.
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