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Can rats smile?

Author

Emma Payne

Published Jan 11, 2026

Now we know what facial expression the rodents make when they're feeling good. Do rats feel joy? It can be hard to tell, since they can't exactly greet us with a grin. But now, for the first time, scientists have spotted the rat equivalent of a smile—and it's all in the ears.

Why do rats smile?

(Phys.org)—A team of researchers with the University of Bern in Switzerland has found that as part of feeling happiness, rats undergo a slight physical change.

Can rats laugh?

For all that, the mammal species we most love to hate does have at least one redeeming—even endearing—quality: Rats, according to a new study in Science, can laugh, and the best way to get them to do it is to tickle them.

How do I know if my rats are happy?

Let's dig a bit deeper into what makes rats happy and how to tell when they're feeling good.
...
Signs of Happiness

  1. Chattering. Rats are not particularly loud, but they do vocalize their emotions. ...
  2. Licking. ...
  3. Grooming. ...
  4. Scenting. ...
  5. Cuddles. ...
  6. Trust. ...
  7. No Threat Behavior. ...
  8. Pink Ears.

Do rats laugh at you?

New research reveals what goes on in a rat's brain during a tickle attack. Scientists knew rats loved to be tickled, especially on their backs and bellies. A tickled rat lets out tiny giggles, too high for us to hear.

44 related questions found

Do rats like tickling?

Just like people, some rats enjoy being tickled while others don't love the experience quite so much, a new study finds. Tickling is an unusual sensation. Some people find it pleasurable and enjoy the giddy response that happens when nerve endings are lightly stimulated.

Can rats cry?

Rats cry blood when stressed:

Rats have a Harderian gland behind their eyes which secretes a substance called porphyrin during times of stress [4]. It is a red or pink discharge that gives the appearance of a rat crying blood. Usually, a rat will produce small quantities of porphyrin and groom it away.

How do I get my rat to cuddle?

How to Get Your Pet Rat to Cuddle You

  1. Get Your Pet Rat To Be Comfortable With You. ...
  2. Give Them Food and Treats. ...
  3. Reach out to them and pet them gently. ...
  4. Give Them a Warm and Cozy Space. ...
  5. Put On Some Rat Music. ...
  6. Sit Down on the Floor. ...
  7. Let Your Pet Rat Explore. ...
  8. Play with Your Rat Using Toys.

Do rats squeak when happy?

As previously mentioned, happy rats will also partake in bruxing, which is that purring noise made when they grind their teeth together. Other happy rat sounds include short, snipped squeaks and chirps. Rats may even give a happy chattering sound when they see a treat coming their way, such as a slice of cheese.

Do rats like watching TV?

They like to know where you are and what you are doing, so you should consider putting their cage in someplace like the TV room. And, they actually LIKE to watch TV—so it is a win-win! Many people will leave things like cartoons on for ratty entertainment when they go to work.

Do rats feel love?

They will even try to groom their human companions as if these people were other rats in their “rat pack.” Pet rats love the warmth and contact of their caretakers and are actually very cuddly! 4.

Do rats like being tossed?

It may sound strange, but rats enjoy getting thrown around a little, similar to puppies and kittens. Try to make sure your rodent buddy lands on its feet to avoid a bumpy landing.

Are rats clever?

Rats and mice are highly intelligent rodents. They are natural students who excel at learning and understanding concepts. Rats are considerably smaller than dogs, but they are at least as capable of thinking about things and figuring them out as dogs are!

Where do rats like being petted?

Fact #2: Rats love to be petted in certain spots.

Your rat probably likes having the top of his head stroked and gently scratched. He also appreciates it if you pet him along his back, from his neck to about the middle -- the area closest to the tail can be sensitive. Rats usually enjoy having their ears rubbed.

Why does my pet rat stare at me?

Curious Rat

Sniffing the air, standing on the hind legs or staring, or any combination of these behaviors, indicate that a rat has noticed something of interest. Some rats, especially the more nervous individuals, may slowly move their heads from side to side while staring.

How can I make my rat happy?

5 Things You Can Do to Make Rats And Mice Happy

  1. Provide Them with Companions. Rats and mice are extremely social creatures and usually prefers to be with the same species as them. ...
  2. Give Them a Place or Room of Their Own to Enjoy. ...
  3. Offer Them Foods, Treats, And Chew Toys. ...
  4. Allow Them to Exercise. ...
  5. Again, Give More Toys.

Why is my rat squeaking when I touch it?

Sometimes, rat squeaks are happy sounds. They use short, high-pitched squeaks to let you know that they're having a good time. This will often be the case in healthy pet rats who've been with their owner for a while now. They trust the human and enjoy the tender touches.

Why is my rat randomly squeaking?

Some rats seem to just squeak in passing, they happily wander around squeaking when touched or handled but not objecting, in fact often enjoying it. This is normally a learned behaviour and starts when the rat is young as they link piping with good sensations rather than bad.

Why is my rat chirping?

Gentle chirps or clucks, grinding, squeaks, and hissing are a few of the vocalizations you will hear. The context usually gives you a hint about whether your rat is happy, content, upset, scared, or in pain. Often, higher-pitched, faster-tempo noises indicate a rat is disturbed.

Can I sleep with my rat?

Rats are most active at night and might run off exploring or chewing on hazardous objects while you are asleep. There is also a risk that you might lie on and crush your rat, as well as an increased risk of contracting certain diseases carried by rats. Sharing your bed with your pet rat might not be the best idea.

How long does it take for a rat to bond with you?

It can take months before a rat is 100% comfortable with you. Even rats that come from breeders that promise well socialized babies will need to trust you at their own pace. Keep in mind that these rats have never met you before, and as prey animals, they need to keep their guard up to feel safe.

Do rats love blood?

Rats aren't picky when it comes to their food sources, everybody knows that. But that's not entirely true. There is one thing rats seem to love more than anything else, and given the chance they will risk everything to get it again and again: your blood.

Do rats have a period?

Mice and rats are an important part of research labs. But when it comes to studying the reproductive health of roughly half of the world's population, those little rodents fall short because they don't actually menstruate like humans do. That is, almost all of them don't.

Are rats emotional?

Rats deeply suffer just as do companion and numerous other animals, and solid science and decency demand that it's high time to recognize rats for who they are, namely intelligent, emotional, and caring beings.