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Cat Behaviour Decoder: What Is Your Cat Trying to Tell You?
Cats communicate through behaviour — and the same action can mean very different things depending on what’s changed in their world. Below is what five of the most common cat behaviours usually mean, and what to do about each. Use the decoder above to get a guided answer for your cat, or browse the full guide here. Watch for the 🚨 vet alerts — some behaviours are a medical cry for help, not bad manners.
🚫 Peeing or Pooping Outside the Litter Box
“This place smells unfamiliar. I need my scent on things to feel safe.”
What to do: Confine them to a smaller 'safe room' with their litter, food and water. Let them gradually explore over a few weeks.
Vet check: See a vet if they are straining in the box or there is blood in the urine.
“I feel threatened. I'm marking my territory so they know who owns this turf.”
What to do: Add an extra litter box (rule: 1 box per cat + 1 extra), in quiet, un-cornered areas.
Vet check: See a vet if adding boxes and separating pets doesn't resolve the marking.
“I hate the smell or texture of this new bathroom dirt — bring the old stuff back.”
What to do: Switch back to the old litter. If changing brands, mix old and new slowly over two weeks.
Vet check: See a vet if a food change caused diarrhoea or constipation lasting over 48 hours.
“Ouch — it hurts when I pee. I think the box is causing the pain, so I avoid it.”
What to do: Do not punish your cat. This is a medical cry for help, not spite.
Vet check: 🚨 HIGH ALERT — book a vet immediately. A classic sign of a UTI, crystals or kidney distress.
🛋️ Scratching Furniture or Carpets
“My old scratch marks are gone — I need to establish my boundaries here.”
What to do: Place a sturdy scratching post exactly where they scratch. Once used, move it an inch a day to a better spot.
Vet check: Not usually a medical issue, unless claws are overgrown.
“I'm stressed — scratching releases feel-good hormones and makes me feel tough.”
What to do: Provide horizontal and vertical scratchers. Use a calming pheromone spray on couch corners.
Vet check: None required; this is behavioural stress.
“I'm just doing my daily nail care — this has nothing to do with food.”
What to do: Ensure scratching posts are tall enough for a full stretch and heavy enough not to wobble.
Vet check: None required.
“This couch is the perfect texture, and my scratching post is boring.”
What to do: Cover the target furniture with double-sided sticky tape and place a premium post right next to it.
Vet check: None required.
🦷 Biting or Aggressive Play
“I'm overstimulated by all this chaos and I'm acting out.”
What to do: Give them a dark, quiet hiding space (like a closet) and leave them alone to decompress.
Vet check: See a vet if the aggression is entirely unprovoked.
“This is 'redirected aggression' — I can't attack the intruder, so I bite you instead.”
What to do: Separate the animals completely. Reintroduce slowly by swapping scents before they see each other.
Vet check: If bites break human skin, wash thoroughly — cat bites infect easily.
“I'm cranky because my tummy hurts, or I'm just playing too rough.”
What to do: When they bite, say 'Ouch!' loudly and walk away. Redirect biting to a stuffed kicker toy.
Vet check: See a vet if the new food causes vomiting or lethargy.
“I have pent-up hunting energy, and your ankles look like prey!”
What to do: Do two intense 15-minute play sessions daily with a wand toy. Never use bare hands.
Vet check: Sudden aggression in older cats can signal pain or hyperthyroidism.
🗣️ Excessive Meowing or Night Crying
“Where am I? I'm disoriented in the dark and looking for my routine.”
What to do: Stick to a strict feeding and play schedule. Don't reward night crying with attention.
Vet check: None required unless it persists for weeks.
“Hey — pay attention to me! Don't forget I was here first.”
What to do: Carve out 10–15 minutes of solo play or cuddle time, away from the new pet or person.
Vet check: None required.
“I don't like this diet — I'm starving, feed me!”
What to do: Make sure they're getting enough calories. An automatic feeder can handle middle-of-the-night snacks.
Vet check: Make sure they haven't lost weight too rapidly.
“I'm bored — or if I'm older, my hearing and vision are fading in the dark.”
What to do: Add a heavy play session and a small meal right before bed for a 'food coma'.
Vet check: 🚨 HIGH ALERT — in cats over 8, night yowling can signal hyperthyroidism, high blood pressure or dementia.
🫣 Hiding or Suddenly Acting Scared
“This is too much open space — I need a small cave to assess the danger.”
What to do: Let them hide. Place food, water and litter very close so they don't have to cross a scary room.
Vet check: See a vet if they refuse to eat or drink for over 24 hours.
“That creature is terrifying — I'll stay under this bed.”
What to do: Give them vertical space (tall cat trees or shelves) to observe from a high, safe vantage point.
Vet check: None required; consider a pheromone diffuser.
“I'm overwhelmed — the food is probably a coincidence.”
What to do: Make sure bowls are in a quiet, low-traffic area.
Vet check: See a vet if they are hiding AND refusing the new food.
“I feel sick or in pain. Instinct tells me to hide to stay safe from predators.”
What to do: Gently monitor litter box use and food intake. Don't force socialisation.
Vet check: 🚨 HIGH ALERT — sudden hiding with no trigger is the #1 sign of a serious medical issue.
Please note: This is general behavioural guidance, not veterinary advice. Behaviour changes — especially sudden ones with no obvious trigger — can be a sign of pain or illness. When in doubt, and for any behaviour marked 🚨 HIGH ALERT, please see a veterinarian promptly.