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Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Clear out junk files and repair common Windows errorsFree Scan →Cats have whiskers that work as touch sensors, ears that can pick up sounds far above the human range, and eyes built for dim light. Many of their quirks, such as kneading, grooming for hours and hiding when stressed, have clear biological roots. Here are the facts that hold up, drawn from veterinary associations and professional guidelines, plus a few popular claims that need context.
Whiskers are sensory equipment
The American Animal Hospital Association (AAHA) describes whiskers as highly sensitive touch receptors with richly supplied roots. They help a cat judge nearby objects, air currents and tight spaces. Whiskers are not decoration, and trimming them takes away information the cat relies on.
The face can signal pain
The AAFP/ISFM Feline Environmental Needs Guidelines note that facial posture, especially the ears, eyes and whiskers, is a quick communication cue. AAHA also points to the Feline Grimace Scale, a scientifically validated pain-assessment tool that scores facial features. A pinched or unusual expression is a reason to pay attention and call your vet. It is not a diagnosis.
Cats groom for a large share of the day
AAHA (2024) says cats may spend 35% to 50% of their day grooming. That is a general figure, and individual cats vary. Grooming cleans the coat, helps regulate temperature, supports social bonds and soothes the cat. A marked change, whether much more or much less grooming than usual, is worth mentioning to a veterinarian.
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Hearing and low-light vision
Hearing
According to AAHA (2024), cats can detect frequencies as high as 64,000 Hz, compared with around 20,000 Hz for humans. They can also rotate their ears to help locate where a sound comes from.
Seeing in dim light
Behind the retina sits the tapetum lucidum, a layer that reflects light back through the retina. This is why cats’ eyes seem to glow in a flashlight beam, and it supports vision in very dim conditions. Cats do not see in total darkness, though. The accurate claim is low-light vision.
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Why cats knead
Kneading, often called “making biscuits,” starts in kittenhood, when kittens press their mother’s belly while nursing. AAHA notes that some adult cats keep doing it. It is commonly seen when a cat is relaxed or comfortable, but that is a typical pattern and not a guaranteed reading of every cat’s mood.
Still a hunter at heart
The AAFP/ISFM guidelines say domestic cats retain behaviors of their wild ancestor, Felis lybica, and describe cats as solitary hunters. Individual cats differ, but the guidelines treat hunting-related needs as real. The guidelines summarize the ideal home this way: “A cat thrives when we provide a safe haven, multiple and separate food, water, toileting and scratching/resting areas, opportunities for play and predatory behavior, and positive, consistent human–cat interactions.”
- Play: short sessions that let a cat stalk, chase and catch give hunting instincts an outlet.
- Separate resources: food, water, litter and resting spots are best spread out and not clustered together.
- Hiding places: hiding can be a coping response to stress or threat. It is not automatically misbehavior.
- Carriers: the guidelines describe a carrier as a transportable safe place and recommend letting the cat conceal itself inside.
- Water: AAHA says cats may be attracted to moving water, so some cats like a fountain. It is an optional extra and not a requirement.
More surprising cat facts
VCA Animal Hospitals reports the following:
- Cats have a minimal-to-nonexistent ability to detect sweet tastes.
- Sensitivity to catnip is hereditary, so some cats simply do not respond.
- Some cats are born with extra toes.
- REM sleep in cats is associated with dreaming.
- Cats are obligate carnivores, with nutritional needs met by animal products. Ask your veterinarian about specific diets.
- Cavities are uncommon in cats compared with other dental diseases.
One fact that is also a safety warning
True lilies (Lilium species) can cause life-threatening kidney failure in cats. VCA says exposure to any plant part or even the vase water can be dangerous. If your cat may have chewed or drunk from a lily arrangement, contact a veterinarian or an animal poison service right away.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Cats in the UK: figures from Cats Protection
These numbers come from Cats Protection’s 2026 CATS report, an annual survey. They describe the United Kingdom only and are survey estimates, not global figures.
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| Measure | Result (UK, 2026) |
|---|---|
| Owned cats | 11.7 million |
| Households with a cat | 27% |
| Cats taken for a routine vet visit each year | 67% of owners |
| Cats reported up to date with vaccinations | 79% |
| Owners who say a cat brings them joy | 75% |
On where cats come from, the same summary reports that 38% were bought, 22% were adopted from a UK rehoming charity, and 14% came from a neighbor, family member or friend.
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