Maternal rejection and aggression

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Pluvierborne6593 Icon representing the flag French
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Hello everyone,

I hope it's alright to reach out and ask for your thoughts. My name is Isabelle, and I live alone in a flat with my two teenage children (a girl and a boy).

I have three cats at home. The father and mother — both four years old — are Simba and Nala (yes, the Disney reference was very much intentional), and the one kitten I kept from her two litters (eight kittens in total) is Pumba, now two years old. My problem is that the mother absolutely rejects her son. It goes well beyond simple dislike — she's genuinely aggressive and hostile towards him. Conflicts break out several times a day. She doesn't bite him, but she swipes at him with her claws while hissing. He doesn't exactly help matters either, as he sometimes provokes her in return, and things escalate into a full-blown fight very quickly. It's making daily life really difficult for all of us. I often catch her lurking in a corner, ears pinned flat back, watching him like a predator about to pounce on its prey. I genuinely feel she sees him as an enemy or a threat. I should also add that she's very territorial and won't share her space at all. Oddly enough, eating together in the same spot at the same time doesn't seem to bother either of them.

I'd like to add four points worth mentioning: 1. All three are neutered/spayed.

2. The father gets on well with both the mother and Pumba.

3. The mother has a litter tray issue: I bought an enclosed litter box with a little porthole-style opening, and she absolutely hated it. Ever since, while she does use a standard open tray for urinating (keeping as much of her body outside the tray as possible), she consistently defecates directly on the floor — something she never used to do. I've tried to retrain her, but nothing has worked.

4. This last point feels important to me, and I suspect it may be partly at the root of the problem: for a period of time, the mother was away from home because I'd rehomed her with a friend, who ultimately decided she couldn't keep her and returned her to me. She was away for roughly three months — which was approximately how old Pumba was at the time.

I hope I've been as thorough and clear as possible in describing the situation. I have considered, albeit very reluctantly, rehoming either the mother or Pumba — but I hadn't accounted for how attached my children understandably are to all three of them.

I'm truly grateful in advance for any advice or thoughts you're willing to share. I know it might seem like a minor issue at first glance, but I can assure you that day to day, it really does weigh heavily on our family.

Thank you so much for your help.

Warm regards,

Isabelle

Translated from French
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    Chatzen Icon representing the flag French
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    I think Laure has already given some excellent advice. I’d just like to add a few points for you to consider. The fact that Nala eats quite happily near Pumba is very telling. With cats, if another individual is truly seen as a permanent enemy, mealtimes usually become confrontational too. Here, the issue seems more linked to specific situations rather than constant hatred. What strikes me most is your description of a cat that watches, waits, and then launches an attack. This behaviour looks more like territorial management or social distancing than maternal aggression. The mother-kitten bond has likely been broken for a long time; today, they are simply two adult cats who have to live together. The litter issue also deserves special attention. A cat that deliberately poos next to the tray while still urinating inside it is sometimes expressing behavioural distress rather than a hygiene problem. If this change appeared at the same time as the clashes, it could be another indicator of stress. I’d also add a point that people often overlook: pain. Early-onset arthritis, dental problems, or other physical discomfort can make a cat much more irritable, especially when another one approaches. A vet check-up might be worth considering, even if Nala seems perfectly healthy. Finally, I wouldn't recommend letting the two cats sort things out for themselves. Contrary to popular belief, they won't "clear the air". In fact, every confrontation reinforces the negative association between them. It’s better to calmly diffuse tensions before they boil over and to increase positive experiences when they’re together (treats, play, feeding them at the same time but spaced apart). The fact that Simba is accepted by everyone shows that Nala is perfectly capable of living with another cat. This suggests to me that there’s a very specific factor keeping the conflict with Pumba going, and with patience, it’s likely possible to improve the situation. — Chatzen
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    ProvetoJuniorConseil
    Provetojuniorconseil Icon representing the flag French
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    Hello, Thanks for your detailed description! This kind of fallout between two cats really isn't easy to deal with, and it's common to feel a bit helpless. Rest assured, though, that your situation isn't unusual; unfortunately, many owners face this kind of problem. You’ve made the right diagnosis—your point number 4 seems to be the root of the conflict! In the feline world, the "mother-kitten" bond naturally fades once they reach adulthood. The fact that Nala was away for 3 months caused her to lose the familiar scent of the home. When she returned, Pumba was no longer her baby, but a strange cat occupying her territory. For cats, recognition is 90% based on scent rather than sight. Nala’s toileting issues might also be linked to this; she feels vulnerable when she’s doing her business. Because of this, she’s pooing outside the tray because she needs to be able to keep an eye on Pumba or make a quick escape at any moment. To ease the tension and restore peace to your feline family, you could try these tips. Firstly, I’m not sure how many litter trays you have, but keep in mind that the ideal number is one per cat, plus one extra. In your case, they should ideally have 4 trays spread out in different parts of your home. Opt for open trays without lids so Nala has a clear view of her surroundings. Next, you could add some enrichment, if you haven't already, to distract them and avoid their territory war. Add a cat tree, put a bed on top of a wardrobe, or set up some high-up spaces so they can each find their own spot without encroaching on the other's territory. Finally, if you see a conflict brewing, try to distract them (easier said than done! 😅) by throwing a toy in the opposite direction or putting a large piece of cardboard between them to break eye contact. I know this isn't an easy situation and I really hope things improve for you. Don't hesitate to speak with your vet so they can give you some extra guidance on the situation too. Best wishes, Laure.
    Translated from French
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