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Why Can’t We Be Friends? Introducing a New Cat to Your Resident Cat

Thursday, February 21, 2013 - 12:30pm
black and white cat next to brown and white cat

Here at the ASPCA we often chat about how two cats are better than one. However, for a solo kitty who is accustomed to being king or queen of your castle, er, house, introducing a new feline friend to your home can be a bit stressful.

If you decide to bring a second cat into your home, proceed slowly and with patience. It takes most cats 8 to 12 months to develop a friendship with a new cat. By following these three steps, you can make sure that the transition goes smoothly:

  • Making the introduction:  Allow the cats to smell and hear each other, without any visual or physical contact just yet. Give each cat his or her own food and water bowl, litter box, scratching post, and bed on separate sides of a door in your home. After a few days, switch the cats’ locations so they can check out each other’s scents. Try playing with the cats near the door. They might even reach under the door to play “paws” with each other!
     
  • Seeing eye-to-eye: After a week or so, assuming neither cat has shown signs of aggression (hissing, growling, etc.), let the cats meet each other face-to-face. You might want to put a baby gate or screen door between them. Set each cat down a few feet away from the barrier. When the cats notice each other, call out their names and toss them some tasty treats. Over the next few days, continue to offer treats, meals and playtime close to the barrier.
     
  • Together at last:Supervise your cats’ initial interactions very carefully. Allow them to spend time together when things are low-stress, such as after strenuous play. Keep a spray bottle on hand in case they begin to fight. As the cats become more familiar with each other, allow them to gradually spend more and more time together.

For more information about introducing your resident cat to a new feline friend, please check out our full list of helpful tips from ASPCA experts.