Why shouldn't rabbits live alone? Choosing a companion and introductions

However close a rabbit is to its human, it can't speak that person's language. The world of two rabbits that groom each other, sleep side by side and warn each other of danger is something else entirely. According to the Rabbit Welfare Association & Fund (RWAF), rabbits are animals that evolved to live in groups, and keeping a rabbit alone means taking away one of its most basic needs.
- According to the RWAF, scientific research confirms that rabbits kept alone suffer from stress and loneliness.
- According to the RSPCA, a rabbit's best companion is another friendly rabbit. Rabbits that live with a suitable companion are calmer and less stressed.
- The RWAF and the RSPCA recommend neutering before pairing. Talk to your vet about when to do it.
- Introductions should be done on neutral ground, under supervision and gradually.
- Rabbits and guinea pigs shouldn't be kept together.
Why is a lone rabbit unhappy?
According to the RSPCA, rabbits are social by nature and can suffer when they're kept alone; rabbits without a companion may even develop unusual behaviors. When they live with a suitable companion, on the other hand, they feel happier, safer and calmer and are less prone to stress.
According to the RSPCA, rabbits should live alone only in specific situations, for example when a vet or a qualified behaviorist recommends it. In that case, spending time with your rabbit every day becomes even more important.
Which rabbit with which rabbit?
- Most often recommended: A neutered male and a neutered female. The RWAF honestly points out that there's actually very little scientific evidence behind this common advice.
- Same sex: Same-sex pairs are possible too, but according to the RSPCA, the risk of the bond not holding is higher in these pairs.
- Neutering: According to the RWAF, if they are old enough, both rabbits need to be neutered. According to the RSPCA, neutering reduces fighting in both sexes.
According to the RSPCA, a neutered male rabbit can take up to six weeks to become infertile. During this time, he shouldn't be kept with a female rabbit; the RSPCA recommends starting introductions after the surgical wound has healed. Plan the timing of neutering and the aftercare with your vet.
Introductions: no rush
Two rabbits don't become friends overnight. The method the RWAF recommends:
- Choose neutral ground. An area where neither rabbit has been before, so it isn't anyone's "own territory."
- Close supervision. Stay with them throughout the introduction.
- Increase the time gradually. Start with short meetings; as the rabbits relax, extend the time they spend together.
- Don't use "stress methods." The RWAF doesn't support methods that try to force rabbits to bond by putting them in a stressful situation (for example, taking them for a car ride).
If you're adopting a rabbit as a companion for the one you already have, the RSPCA recommends doing the introduction at your own home rather than at the rescue center you're adopting from, so the rabbit you already have doesn't go through the stress of a journey.
If the rabbits are chasing each other, pulling out fur or biting, separate them and get help from a vet experienced with rabbits or from a behavior specialist. Every pair is different; some rabbits take longer to get used to each other.
Rabbits and guinea pigs don't mix
Keeping rabbits and guinea pigs together used to be common. The RSPCA doesn't recommend pairing rabbits with other species such as guinea pigs or rats. The RWAF strongly advises against it: although some rabbit and guinea pig pairs get along well, far more end in disaster, often with one or both animals getting injured. The two species communicate differently, eat differently and have different needs.
Other pets
According to the RSPCA, rabbits are prey animals and can feel threatened by cats and dogs. A cat or dog shouldn't be allowed to chase, frighten or injure a rabbit. Even if you think they get along, keep the time they spend together supervised.
Frequently asked questions
I spend a lot of time with my rabbit. Does it still need a companion?
According to the RSPCA, a rabbit's best companion is another friendly rabbit. The time you spend with your rabbit is very valuable, but it doesn't replace a companion of its own kind that it can sleep next to and groom with all day.
Can I get a new companion for my older rabbit?
Many older rabbits can get used to a new companion. First talk to your vet about your rabbit's health, and do the introduction slowly and under supervision.
My rabbits chase each other now and then. Are they fighting?
Some chasing can happen during introductions. But if there's biting, fur pulling or injury, separate them and get expert help.

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Sources
- Rabbit Welfare Association & Fund · Companionship
- Rabbit Welfare Association & Fund · How to bond rabbits together
- RSPCA · Rabbit companionship and bonding advice
By Tüylüm · Published and last checked: October 24, 2026. Spotted a mistake? Write to [email protected] and we'll fix it right away. Photos are from Wikimedia Commons, used under the license shown below each photo.