An owner checking in on a mother cat with her kittens was stunned when she realized something else had snuck into the litter.

In an August 8 TikTok video posted by @jenniferjeirles, which reached over 11.4 million views, an owner noticed her cat added “something doesn’t belong” to her litter of kittens. The mother cat sat with her babies sleeping by her paws. She looked up at the owner, unbothered by that extra something.

The owner squeezed her hands into the mix of kittens, moving the babies and grabbing the one that did not belong, which turned out to be a tiny mouse. She held up the mouse to the camera and then to the mama. She proceeded to explain that the mouse was not one of her babies, but her cat only sniffed the baby rodent. The cat was willing to accept any babies as her own.

Newsweek reached out to @jenniferjeirles via TikTok for additional information and comment.

TikTok viewers flooded the video with concern about the safety of all the animals. Many wondered if the cats became exposed to toxoplasmosis.

An article from the Cornell University College of Veterinary Medicine stated that toxoplasmosis is an illness caused by a tiny parasite called Toxoplasma gondii—one of the most common parasitic diseases—which can infect nearly all warm-blooded animals, including pets and humans.

Cats can become infected by ingesting raw meat or prey that carries the parasite. Although signs of illness are uncommon, some cats may develop fever, loss of appetite or lethargy. These symptoms are more likely to appear in kittens or felines with weakened immune systems.

Luckily, the owner shared in a follow-up video that the momma cat and all four kittens are healthy with no signs of toxoplasmosis. She ended up releasing the “stunned baby field mouse” outside, where she said he ran off into the grass.

Part of the caption read: “I’m sure it was thanking its lucky stars to be alive.”

Other TikTok users couldn’t stop laughing at the mix-up of babies, wondering how a mouse got there in the first place.

“To be fair, I do think it is at least a baby mouse,” joked one person.

Another added: “He’s adopted, doesn’t mean he’s not her baby.”

A third user said: “That’s just the runt of the litter.”

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