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Dec 26, 2025

Listen Up to These Fascinating Facts About Your Cat's Ears

Though they look like soft, fuzzy triangles, a cat’s ears are actually highly specialized and fine-tuned to do much more than our own. Along with hearing, cat ears are made for hunting, hiding, and communicating. Here are some facts that may surprise you about your cat’s ears.

1. Cats Have Excellent Hearing

Anyone who has opened a can of cat food and had their kitty run to the kitchen from across the house won’t be shocked to learn that cats have much better hearing than people do.

When not being served by humans, cats must find and stalk small, fast prey, often in low light. This requires not only listening for very quiet sounds, but also those with a higher pitch. According to a review published by Louisiana State University, cats can usually hear sounds pitched almost two octaves higher than what humans can hear–and one octave higher than what dogs can detect. No wonder a mouse squeak is no trouble for them to hear!

For lower pitches, humans and cats seem to have similar limitations, though cats can hear these lower frequency sounds from much farther away because they have greater sound sensitivity. Due to their small size, cats are also at risk of becoming prey themselves, and this sensitivity allows them to detect threats that a human or dog might not pick up on.

2. The Feline Ear Is Made of Three Parts

A cat’s ear has three parts: the outer, middle, and inner ear.

The outer ear is the visible portion: the pinna and the ear canal. A cat’s ear canal is much deeper than a human’s, funneling sounds trapped by the pinna down into the ear drum more efficiently. This is the most common part to be affected by an ear infection (otitis externa).

The middle ear is an air-filled chamber (bulla) separated from the outer ear by a thin membrane called the tympanic membrane or ear drum. It contains three small bones that transmit vibrations from the ear drum to the inner ear. It’s also connected to the back of the nose by a pathway called the eustachian tube, allowing the air to stay at a reasonable pressure.

The inner ear takes information from the middle ear and transmits it to the brain. It’s also the home of the cat’s vestibular (balance) system, which is incredibly sensitive and much more developed than a human’s ear, allowing them to be much more agile (and more likely to land on their feet!).

3. Cats Have Mobile Outer Ears

Humans have six muscles in our outer ear (pinna). Cats have 32. This anatomy lets them rotate their ears a full 180 degrees! Not only does this allow cats to use their ears to express themselves, they can point their ears towards faint and far-away sounds to hear them more clearly.

4. Cats’ ‘Henry’s Pockets’ Are a Mystery

One structure that is particularly obvious in cat ears (although bats, weasels, and some dogs have them as well) is the cutaneous marginal pouch. Also known as a Henry’s pocket, this is the thin flap of skin on the outside of the ear, and its significance isn’t clear. There is a theory that this skin flap helps them detect higher-pitched sounds, but it may also serve no function at all. But mites and parasites love this location, so your vet will routinely check it during a physical exam—especially if your cat has been itchy.

5.  Cats Are Born Without Ear Canals

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