Why do cats and dogs shake their heads?

Cats and dogs shake their heads when they feel something tickling or scratching on the outside of their ears.

Like a bug in your ear

Imagine you’re playing with a friend, and suddenly a tiny bug lands inside your ear. It starts crawling around, and it feels itchy, like someone is gently poking you from the inside. You might shake your head to try to get rid of that annoying little bug or scratch it out.

Cats and dogs feel something similar when they have bugs, dirt, or even hair stuck in their ears. When they shake their heads, it helps them wiggle out the thing that's bothering them. It’s like giving their ears a little shake-and-wiggle dance to get rid of the annoying guest.

Why they do it more often

Sometimes, if there are lots of bugs or dirt in their ears, they might shake their heads even more, just like you would if something was really tickling your ear and wouldn’t stop!

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Examples

  1. A cat shakes its head after catching a fly mid-air.
  2. A dog shakes its head when it gets water in its ears.
  3. Your pet shakes its head after being startled by loud noises.

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