Do Cats Get Jealous Of New Kittens?

Cats are known for their independent and self-assured nature, but even these furry felines can experience feelings of jealousy. Introducing a new kitten into a household with an older cat can be a tricky decision for pet owners. The potential for jealousy, territorial behavior, and outright aggression can make the transition challenging for both cats and their owners.

As someone who has spent years studying cat behavior, I’ve been asked many times: do cats get jealous of new kittens? It’s a question that many cat owners grapple with, and the answer is not straightforward. In this blog post, we’ll dive into the world of feline psychology to explore the complex emotions that cats experience when a new kitten enters the picture.

We’ll take a close look at different types of feline jealousy and identify signs that indicate your cat may be feeling envious of their new furry companion. Moreover, we’ll examine the steps that pet owners can take to ease the transition and minimize the risk of negative behaviors developing.

Whether you’re an experienced cat owner looking to bring home a new kitten or a curious cat enthusiast looking to learn more about feline behavior, this post is perfect for you. So sit back, grab your favorite cup of coffee or tea, and let’s delve into the fascinating world of cat jealousy together.

What are the Signs of Jealousy in Cats?

Cats are known for their territorial nature and attention-seeking behavior, which means that introducing a new kitten can often trigger feelings of possessiveness and jealousy in your resident cat.

The most common sign of jealousy in cats is aggression towards the new kitten. This can take many forms, including hissing, growling, swatting, or even outright attacking the kitten. If you notice any kind of aggressive behavior from your cat towards the new kitten, it’s important to intervene immediately and separate them until they can learn to coexist peacefully.

Changes in behavior or routine are also a clear indication of jealousy in cats. Your cat may start acting out or displaying destructive behavior, such as scratching furniture or knocking over household items. They may also hide more frequently or avoid interactions with you or the new kitten. These changes are often an attempt to gain your attention and assert their dominance over the new kitten.

It’s essential to pay attention to your cat’s body language when introducing them to a new kitten as well. Signs of jealousy can include flattened ears, dilated pupils, and a puffed-up tail or arched back. Your cat may also display defensive behaviors such as crouching low to the ground or backing away from the new kitten.

To ease the transition when introducing a new kitten into the household, provide separate food and water bowls, litter boxes, and toys for each cat. Spending quality time with each cat individually prevents feelings of neglect and ensures that both pets feel safe in their shared living space.

Why Do Cats Become Jealous of a New Kitten?

Introducing a new kitten to your household can be an exciting time, but it’s important to understand that older cats may display signs of jealousy. This behavior can be attributed to several factors, including territorial instincts, fear of losing attention and affection, and an aversion to change.

Territorial instincts are a major factor in why cats become jealous of a new kitten. Cats view their home as their own personal kingdom, and a new kitten may be seen as an intruder. They may become possessive of their favorite spots around the house and feel the need to defend them from the newcomer. To avoid territorial conflicts, it’s important to provide separate resources for each cat, such as food bowls, litter boxes, and sleeping areas.

In addition to territorial instincts, cats may also fear losing attention and affection from their owners. Although they are known for their independent nature, cats still crave love and affection from their human companions. When a new kitten arrives, older cats may feel like they’re competing for attention and worry that they’ll receive less love from their owners. To alleviate this fear, spend quality time with each cat individually, giving them plenty of love and affection. This will help them feel secure in their place in the family.

Change can be difficult for cats, and a new kitten can disrupt the established routine of the household. This disruption can lead to stress and anxiety in older cats, causing behavioral changes such as hiding more frequently or becoming more vocal. To help ease the transition, introduce the new kitten gradually and give your older cat plenty of time to adjust to the new addition.

It’s important to note that not all cats will display jealousy towards a new kitten. Some cats may even welcome a new playmate and enjoy having a companion around the house. However, if your cat does exhibit signs of jealousy, there are steps you can take to help ease their transition. Providing separate resources for each cat, spending quality time with each cat individually, and introducing the new kitten gradually can all help ensure that both cats feel safe and secure in their shared living space.


Cats are notorious for their territorial behavior. It’s no surprise that introducing a new kitten to an established cat can be quite challenging. The resident cat may perceive the newcomer as a threat to their resources and become defensive. This behavior can range from hissing and growling to outright physical attacks.

To minimize territorial conflicts between cats, it’s essential to introduce them gradually and carefully. The introduction process can take weeks or even months, depending on the cats’ personalities and temperament. The first step is to create a separate space for the new kitten with its litter box, food, and water bowls, and toys. This space should be in a different room from the resident cat’s area.

Once the new kitten has settled into its separate area, it’s time to allow both cats to sniff each other’s scent. You can do this by exchanging their bedding or using a pheromone diffuser. Once both cats seem comfortable with each other’s scent, you can start introducing them in short supervised sessions. Gradually increase the duration of these sessions while monitoring their behavior closely.

It’s important to provide plenty of resources for both cats during this transition period. This means having multiple food bowls, water bowls, litter boxes, and scratching posts. By doing so, you can reduce competition and minimize territorial disputes between them.

Remember that cats are very sensitive to changes in their environment, and introducing a new kitten can be stressful for them. Patience is key during this process. With time and careful management, your cats will learn to coexist peacefully in your home.

Attention Seeking Behavior

While it can be an exciting time, it’s important to be aware that attention-seeking behavior is common during this transition period. As an expert on the topic, I’ve compiled some helpful tips to make sure the introduction goes smoothly and prevent any jealousy or aggression.

First and foremost, providing equal attention and affection to both cats is crucial. The resident cat may feel threatened by the new addition and may begin to demand more attention from their owner. However, the new kitten also needs love and attention, so it’s vital to make a conscious effort to spend quality time with both cats. Playtime, treats, and designated cuddle time are excellent ways to show your cats that you value and love them equally.

Setting boundaries for each cat is essential to prevent territorial disputes. Cats are naturally territorial creatures, and introducing a new kitten can cause competition for resources such as food, toys, or sleeping areas. Providing separate beds or scratching posts for each cat can help prevent this competition and reduce the likelihood of aggression. Gradually introducing the cats to each other’s scent can also help them adjust to the new addition.

Patience is key during this transition period. It’s normal for both cats to exhibit some initial hissing, growling, or hiding behaviors. Give your cats time to adjust to their new living situation and each other’s presence. Be patient and allow them to establish their own relationship at their own pace.

Steps to Ease the Transition

But with the right approach, you can ease the transition and ensure that both your existing cat and new kitten feel safe and comfortable. Here are some helpful steps that can make the process as smooth as possible:

Gradual Introduction: When introducing your new kitten to your existing cat, it’s essential to do so gradually. Keep them separated at first and allow them to get used to each other’s scent by exchanging their bedding or toys. As they become more familiar with each other’s scent, you can slowly introduce them face-to-face while supervising their interactions.

Provide Separate Spaces: Cats are territorial creatures, which makes it important to provide separate spaces for each cat in your household. Ensure that each cat has their own space, food bowls, water bowls, and litter boxes. This will help prevent competition and potential aggression.

Supervision: It’s essential to supervise your cats’ interactions closely, especially during the initial introductions. Be prepared to intervene if necessary to prevent any aggressive behavior. It’s better to be safe than sorry.

Positive Reinforcement: Use positive reinforcement techniques such as treats or praise to reward good behavior and encourage positive interactions between the cats. This will help build a positive association between the cats and create a more harmonious environment.

Patience: Remember that the transition may take time, so be patient and allow your cats to acclimate to each other at their own pace. Don’t force them to interact if they’re not ready, and give them plenty of space and time apart if needed.

Quality Time with Each Cat

This can be a challenging transition, but with patience and careful planning, you can create a peaceful environment where all cats feel valued and cherished.

One effective way to ensure quality time with each cat is to establish a daily routine where each cat receives individual attention. This can involve setting aside 10-15 minutes of playtime, grooming, or cuddling with each cat separately. By doing so, you’re showing them that they are still a priority and loved, even with a new kitten in the mix.

Another crucial step is creating separate spaces for each cat. Providing individual beds, food bowls, and litter boxes ensures that each cat has their own retreat to relax in when they need space. This helps avoid any potential conflicts that may arise from feeling neglected or crowded.

In addition, engaging in group activities involving all cats in the household is an excellent way to promote positive interactions and reduce any potential jealousy. Interactive playtime or training exercises are fantastic ways to bond together as a family.

It’s important to dedicate equal amounts of time and attention to each cat to prevent any feelings of favoritism. By establishing routines, providing individual spaces, and incorporating group activities, cats can coexist harmoniously in your household with a new addition.

Not All Cats Exhibit Jealousy

While some cats may display jealousy towards new kittens, not all cats exhibit this behavior. In fact, some cats may even welcome the company of a new feline companion.

Cats are known for their independent nature, and each cat has its own personality and temperament. Factors such as socialization and adaptability can influence how cats respond to a new kitten in the household. Cats that have been raised around other cats or animals may be more accepting of a new kitten.

However, it’s important to remember that jealousy is a complex emotion and can manifest in different ways in cats. Some cats may become aggressive towards the new kitten, while others may display more subtle signs of jealousy, such as avoiding the kitten or displaying changes in behavior.

To ensure a smooth introduction between your cats, it’s crucial to observe their behavior closely and take steps to minimize stress during the introduction process. Here are some tips:

  • Observe your cat’s behavior closely: Pay attention to any signs of aggression or discomfort towards the new kitten. If you notice negative behavior, separate the cats and try reintroducing them at a later time.
  • Take it slow: Introduce the cats gradually over several days or weeks. Start by keeping them in separate rooms and allowing them to smell each other through a closed door. Then, gradually let them spend supervised time together.
  • Create separate spaces: Provide each cat with their own food, water, litter box, and toys to prevent competition and territorial behavior.
  • Engage in group activities: Play with both cats together using interactive toys or have them participate in feeding time to encourage positive interactions.


In conclusion, bringing a new kitten into a household with an older cat can be a tricky business. While not all cats exhibit jealousy towards their feline counterparts, it’s crucial to understand the complex emotions that come into play when introducing a new kitten. Signs of jealousy in cats can range from aggressive behavior towards the new addition to changes in routine and defensive body language.

To make the transition smoother, pet owners should provide separate resources for each cat and spend quality time with them individually. Gradual introduction, supervision, positive reinforcement, and patience are also essential steps to ensure that both cats feel secure in their shared living space.

Territorial instincts, fear of losing attention and affection from their owners, and aversion to change are major reasons why cats become jealous of new kittens. To minimize territorial conflicts between cats during this period, it’s vital to introduce them gradually while providing separate spaces for each cat.

Ultimately, by closely observing their behavior and taking steps to minimize stress during the introduction process, pet owners can create a harmonious environment where all cats feel loved and valued.