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Are Ferrets Rodents? Vet-Approved Taxonomical Facts & Info

Codee Chessher

By Codee Chessher

chocolate-colored ferret in the tree

Vet approved

Dr. Luqman Javed Photo

Reviewed & Fact-Checked By

Dr. Luqman Javed

DVM (Veterinarian)

The information is current and up-to-date in accordance with the latest veterinarian research.

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Considering ferrets’ resemblance to animals like squirrels, you might be under the impression that they are all related. But are ferrets really rodents? No, ferrets are actually considered weasels! They are not related to rodents like rats, mice, or squirrels in any way and are more closely related to other predator species that you might be familiar with.

If you’ve ever wondered about what lies underneath the zany, furry skin of your ferret, you’re not alone. Join us as we elaborate on how the ferret is classified in the animal kingdom, what they’re related to, and how to distinguish rodents from weasels.

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What Animals Are Ferrets Related To?

Ferrets are considered weasels and are part of the Mustela genus, which is home to many other furry, lithe predators you may also be familiar with. If you expand it a bit to include the Mustelidae family, ferrets are related to a ton of animals. Mustela and Mustelidae are distinguished by remarkably long but short bodies with stubby legs. For short, most people call them mustelids.

Surprisingly, most mustelids don’t make as good pets as ferrets do, but they’re fascinating critters in their own right. Check out this list of what animals the ferret is related to in order to get a better idea.

Animals Ferrets Are Related To:
  • Weasels
  • Minks
  • Polecats
  • Martens
  • Wolverines
  • Otters

Characteristics of Ferrets and Other Mustelids

ferret playing in a red toy maze
Image by: Olga Pysarenko, Shutterstock

You might have a vague idea of the kind of animals that mustelids are: agile, pint-sized predators—which isn’t far off the mark. However, in terms of biology, ferrets and other members of the Mustela genus share a number of specific traits that mark them as relatives. Let’s check out some of these so you can identify members of this genus more easily.

Mustelid Characteristics:
  • Nocturnal or Crepuscular: Most mustelids roam at night, but many prefer to be more active during the lighter dawn and dusk hours when their preferred herbivorous prey are active.
  • Protective fur: The fur on ferrets and other mustelids like wolverines or otters serves a valuable purpose in keeping their bodies at a comfortable temperature and repelling dirt or water.
  • Hibernation: Most mustelids don’t truly hibernate in the way bears do, but members like ferrets and skunks will stock up on food/weight and retreat to a warm underground burrow for the winter.
  • Solitary hunters: Most mustelids operate alone or in pairs in the wild; ferrets as pets do better in pairs or groups.
  • Scent repellent: Many mustelids have specialized anal glands that generate a pungent musky odor to deter threats.

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What’s the Difference Between Weasels and Rodents?

There are a few major differences between weasels like ferrets and rodents like squirrels or hamsters. First and most important is their teeth. Rodents have constantly growing incisors that they wear down by chewing. Ferrets, by contrast, are fun-sized carnivores with sharp little incisors that don’t constantly grow, and they don’t have the same compulsion to chew either.

Diet is the second major difference, and ferrets are obligate carnivores that need a high-protein diet. Ferrets are fierce predators that will incessantly hunt anything small and mobile in their domain, much like cats. This leads to our next question.

ferret in the meadow
Image by: jurra8, Shutterstock

Are Ferrets Related to Cats or Dogs?

It’s a reasonable question considering that like cats and dogs, ferrets are furry little predators we’ve domesticated as companion animals. The closest similarity is that they’re very inquisitive and playful, like cats. Ferrets get up to a lot of the same zany shenanigans that cats and dogs do and can develop similar bonds with us humans, but are they related at all?

Not really. As weasels, ferrets are technically related to felines and canines in a very distant cousin type of way. More specifically, they’re all members of the Carnivora order, which means dogs, cats, and ferrets stem from the same ancient carnivorous ancestors.

While they certainly have their differences, you can see many biological similarities related to their similar appetite for meat. Dogs, cats, and ferrets all have incisors and jaws tailored by evolution to rip and tear flesh. Besides being furry, though, that’s roughly where the similarities end.

ferret_divider_grey_hepper

Conclusion

Ferrets are mustelids part of the Mustela family of weasels, making them relatives to the fierce wolverine and the sanguine otter. While they bear many biological similarities to other domestic pets like cats and dogs because of their shared ancestry, ferrets are in a class all their own among mustelids.

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Featured Image Credit: Sergei Avdeev, Shutterstock

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