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5 Top Warning Signs When Introducing Cats

As a cat motivational owner, you understand that nothing beats the feeling of having a new cat in your house. On the other hand, introducing cats can also be complicated; it can be full of emotions that can simultaneously make one excited or terrified. Admittedly, one would love to see the cats getting on well, but it is essential to point out watchdog warning signs when introducing cats to ease their adoption and reduce the risk of fighting.

Understanding how cat body language works about introductions is one of the fundamentals of a prosperous multi-cat household. You know what cats do against other cats and learn a practical orientation and warning signs when introducing cats before the one day of contact and when you have to call a specialist to come in. If you try to note these signs in good time and do exactly as instructed, your cats’ first encounters will be successful.

Cat Behavior and Warning Signs When Introducing Cats

cat behavior and warning signs when introducing cats
Photo by PxHere

As a cat owner, you appreciate that bringing a new cat home can be an intensive task. Felines are complicated animals with their own set of characteristics, and it is essential to understand them even when they are being presented to other cats to create a peaceful home with more than one cat. So, let us ease into this broad and fun topic of cat behavior—what are the warning signs when introducing cats?

Territorial Nature of Cats

You must have seen how your furry companion strokes many objects—the frames of doors and even you—most of the time. Well, it is an affectionate gesture and their way of claiming space. Such is the nature of cats; they are very territorial, which is a necessary trait to consider warning signs when introducing cats or adopting a new cat into the home.

The academic term for this is called resource invasion. In essence, you are invading space already occupied by the existing cat, or the cat views that area as belonging to it. This can, in turn, create some pressure that may occur and possible trouble. To make the process easier, which is where the not-so-friendly interaction will happen, allocating each cat its own set of such resources is good. Think of it as giving them their personal space within the shared home.

A good rule of thumb is to follow the 1:2 ratio for litter boxes. For instance, if you have two cats, you are supposed to have three litter boxes. This helps eliminate the odds of aggression in one area and allows every pet to cater to their toilet needs. Also, ensure that every cat friend has enough scratching posts, cat condos, and resting places.

Body Language Cues

While dogs are probably more expressive than kitties, cats make specific cues that speak volumes and can be comprehended. Since these cats are pretty timid, looking for these warning signs when introducing cats will help you determine their emotions at that moment of introduction.

Related Read: Why Cats Are The Best Pets

Here are some body language signals to watch for:

Ears

Forward-facing ears usually indicate a happy or curious cat. If you see ears flattened against the head or in an “airplane” position, it could mean your cat is feeling irritated or frightened.

Eyes

Examine the pupils. Constricted pupils may suggest a cat that is excessively defensive in its response, whereas dilated pupils may be attributed to either fear or excitement.

Tail

A kitty with a somewhat elevated tail and a slight arch often suggests she is happy. On the other hand, an elevated tail that is also q puffed out or waving from side to side would indicate anger or fright.

Body posture

A cat’s arching of the back accompanied by raised fur is considered an adage, meaning that it is either frightened or angry. However, the cat that lies on its back and gives loud purring sounds will most likely be very comfortable and relaxed.

Vocalization Signals

warning signs when introducing cats - cats vocalization signals image

Among other warning signs when introducing cats, cats also use sounds as a way of communicating, and such communication can be indicative of the cats’ feelings at that very moment. Such sounds include the following.

  1. Hissing: This is a clear warning sign. When a cat hisses, it tries to scare someone and control a strawman. It is its way of indicating, “Get away!”
  2. Yowling: This sound may serve a function when the animal is threatened or feels trapped. You may notice a yowl during the introduction sessions, indicating that the cat is more than a bit scared or intimidated.
  3. Purring: Although purring is often taken to be a sound of contentment, it is not uncommon for cats to purr when they are stressed as a way of comforting themselves. However, context matters when appreciating this sound.

Though common differences exist in cats’ vocalizations, it is critical to remember that each differs and most probably utilizes that kind of communication due to their several characteristics. The more you interact with your cats, the better you will pinpoint their different ways of interacting with you.

Warning Signs When Introducing Cats: 5 Signs To Watch For

5 top warning signs when introducing cats

For cat lovers, the thought of adding a new cat to the family is exhilarating, but one that can be a tricky proposition is the introduction of cats. However, it is essential to identify the warning signs when introducing cats. Here are 5 critical warning signs when introducing cats that must be monitored:

Aggressive Posturing

One of many warning signs when introducing cats is body language. Cats often show violent body language when they feel threatened or uneasy. You might see that your cat’s ears are flattening backward on their head or that their tail is straight up with fur on top of it. An arched back is another traditional sign that a cat is ready to attack or feels defensive. Your cat is telling you, “I’m not happy with this,” with these poses.

When my ordinarily calm tabby cat saw our new kitten for the first time, she suddenly became a Halloween cat outline. She needed more time to get used to the new person.

Excessive Hissing or Growling

Some hissing is usual when people first meet each other, but too much noise is a red flag. If you hear hissing or growls that don’t stop after a minute or two, it’s time to separate the cats. Remember that these sounds are your cats’ way of telling you they are uncomfortable.

It’s hard for me to forget when we tried to introduce my sweet kitty to a new cat too quickly, and she let out a low, scary growl. It was a harsh warning that even the friendliest cats need time to get used to new things.

Attempting to Swat or Bite

warning signs when introducing cats - agressive cat

If you see one cat trying to hit or bite the other, it is one of many warning signs when introducing cats. You should know the meeting is not going well. Cats may swat each other lightly, but if they try to hit or bite hard, they feel threatened and are on the defense.

At one point, I saw my more enormous cat try to hit our new kitten through the room under the door. We learned from that that we needed to take things more slowly and give both cats more time to get used to each other’s smells before they met.

Related Read: What Smells Do Cats Hate

Hiding or Fleeing

If one of your cats hides or tries to run away whenever the other is around, it is scared and stressed. Cats are very good at hiding when sick or hurt, so this behavior shouldn’t be overlooked. To help each cat feel safe, give them safe places to go, like high perches or cozy hiding places.

At my house, we saw that our new cat spent all her time under the bed and skipped meals. She was stressed out and needed more time to get used to her new home and cat neighbor.

Loss of Appetite or Litter Box Issues

Cats may be stressed if they change how they eat or use the litter box. You may notice that your cat isn’t eating as much or is avoiding the litter box. This could mean they are scared of the new cat that has moved in.

Remember, there are warning signs when introducing cats that must be carefully watched. If the cats’ behavior seems to be getting worse instead of better for more than a week, these signs may mean you need help from a professional. Each cat is different; sometimes, they need extra help and time to become best friends.

Proper Introduction Techniques

Any cat lover will agree that bringing new cats into the home is both exhilarating and dangerous. I have undergone this process several times and learned that one has to be quite patient. Do not forget that every cat has a different mindset when handling new pets, and it is always good to allow them to determine their pace. Let us get into some tried-and-tested methods that I and many other cat owners have found helpful.

Scent Swapping

There are methods of communication that felines use that predominately rely on the sense of smell, and this is where we’ll start our introductions. Unlike the other animals, I still recall the day I went to get my little tabby Whiskers and took him to my other feline. The first thing that was done was called a scent swap.

  1. Take a clean sock and gently rub it on your new cat’s cheeks and head. Do the same with another sock for your resident cat.
  2. Present each cat with the other’s scent-filled sock. I placed treats near the socks to create a positive association.
  3. Leave the socks in their respective areas. It’s incredible to watch how they investigate these new scents!

Next, we’ll make a “group scent.” Cats naturally share smells by rubbing against each other. I gently rubbed both cats with a towel and put it where they like hanging out. This helps them get used to sharing their room.

Controlled Visual Contact

Your cats should be able to see each other once they are used to each other’s smells. Don’t forget that we’re going slowly!

  1. Start by feeding your cats on opposite sides of a closed door. This associates the other cat’s presence with something positive – food!
  2. Gradually move the food bowls closer to the door. I found that using their favorite treats helped in this stage.
  3. Use a baby gate or a cracked door once they’re eating comfortably near the door. This allows them to see each other without complete contact.

Supervised Face-to-Face Meetings

warning signs when introducing cats - proper introduction techniques
Photo by ROMAN ODINTSOV

Now comes the exciting part – letting your cats meet face-to-face! But remember, safety first.

  1. Ensure both cats have accessible escape routes. Before our first meeting, I cleared paths to their favorite hiding spots.
  2. Keep the first meetings short and sweet. I started with just a few minutes at a time.
  3. Use toys or treats to create a positive atmosphere. Playing with a feather wand got both my cats focused on the toy rather than each other.
  4. Watch for signs of stress. If you see flattened ears, hissing, or growling, it’s time for a break.

During this process, ensure each cat has its own food bowl, litter box, and comfortable spot. This will keep people from competing with each other and help you maintain the good relationship you’ve worked so hard to build.

Warning Signs When Introducing Cats and When to Seek Professional Help

Being a cat person, it is apparent that you love your furry companions very much. Sometimes, even with goodwill and patience towards each other, the situation may become so intolerable that a specialist is needed. Let’s examine how to decide how far one can go in tempering the warning signs when introducing cats alone.

warning signs when introducing cats and when to seek professional help

Persistent Aggression

You’ve bided your time, observed all the proper introductory techniques, and waited patiently, but there is still no peace among the cats. If you see the pattern of aggression persisting, it is time to seek professional help. I recall when my adorable Mittens turned into a defensive iguana when she looked at our new kitten. It was so sad and so annoying.

Warning signs when introducing cats that indicate persistent aggression include:

  1. Constant hissing, growling, or fighting
  2. One cat consistently avoids or hides from the other
  3. Aggressive behavior that doesn’t improve over time

Sometimes, it does not matter how long the cats are kept apart; aggression surfaces after the pets are re-introduced. This is true mainly if the redirected aggression got a backlash. If you have exhausted your ideas in getting both cats to be chronically, please consult a veterinary behaviorist or a vet interested in feline behavior.

Stress-Related Health Issues

Cats are sensitive creatures, and chronic stress can lead to serious health problems. As a cat parent, you must be vigilant about changes in your furry friend’s behavior that might indicate stress-related issues.

Watch out for these warning signs when introducing cats:

  1. Changes in appetite or sleeping patterns
  2. Decreased energy levels
  3. Withdrawal or excessive hiding
  4. Litterbox issues
  5. Excessive grooming

Once, after we bought another cat home, I saw my active cat, who loved to play with her toys, develop a passive attitude and preferred sitting under the bed. It turned out she suffered from health problems induced by stress.

You should take your cat to the vet as soon as possible whenever you notice these warning signs when introducing cats. They will exclude the possibility of any medical problems and advise how to alleviate stress in cats. It is essential to understand that diseases such as hyperthyroidism, arthritis, or dental disease can lead to pain, resulting in aggression or changes in behavior.

Inability to Coexist and Warning Signs When Introducing Cats

On occasion, one or more of the cats may be impossible to get along with, no matter what has been done to encourage them to do so. Nothing is easy about this, but there comes a time in every situation when it becomes clear that the problem no longer holds any advantages. And, if your cats and other pets spend most of their time fighting, it ultimately diminishes their and your quality of life.

Warning signs when introducing cats that your cats may be unable to coexist include:

  1. Ongoing fights or aggressive encounters
  2. One cat consistently bullies or intimidates the other
  3. Extreme stress reactions in one or both cats
  4. Deteriorating health due to chronic stress

In these cases, it’s crucial to consult a professional. They can provide tailored advice and may suggest solutions you haven’t considered. Sometimes, they might even recommend rehoming one of the cats as a last resort.

As cat lovers, we want the best for our furry friends. By recognizing these warning signs when introducing cats and seeking professional help when needed, you’re taking an essential step in creating a harmonious home for all your feline family members.

Warning Signs When Introducing Cats: Summary

While bringing a new cat home can be an adventure, managing the existing and new cat can become tedious. One must consider feline relationships and look for those warning signs when introducing cats. Body language is the most direct and evident aspect of aggression, and stresses are observable through cat growling, hissing, or ear positioning. Noticeable changes like hiding off the usual spots or avoiding toilet boxes make it easier to make these introductions without too much fuss.

In my own experience, I would advise more of the proper techniques, like scent swap and supervised meetings, than patience. Slowing things down, making the cats interact positively with each other, and taking their reactions are significant if cats are to be made to live peacefully together. Don’t forget there are signs of aggressiveness and stress to watch out for. If the situation worsens and you see some warning signs when introducing cats, don’t hesitate to ask for help.

Abdellah E

Hi, my name is Abdellah E, I am a cat behaviour consultant, cat shelter owner and I’m here to share my passion and knowledge about one of the most wonderful creatures on our planet, cats.