Do Squirrels Mate For Life?

Squirrels are unique and complex creatures with zany little attitudes that provide hours of entertainment. At Kitty City Squirrels, we want to answer the questions readers ask most. One of those questions is, “do squirrels mate for life?” Researchers and wildlife experts have heavily debated this topic for quite a long time. So let’s explore some facts on this subject everyone wants to know about.

do squirrels mate for life 2 scaled

Squirrel Moms

Most female squirrels begin reproducing around one year old but can bear young as early as five and a half months, and they can bear young twice a year for more than eight years.

do squirrels mate for life - Miss Rio
Miss Rio, a momma squirrel here at Kitty City Squirrels

Squirrels like to follow the same pattern year after year. Following the same pattern means that they will return to their dreys (nests) or dens ( tree hole or cavity) around the same time, give birth at about the same time, and mate around the same time as well.

What is the Mating Approach for Squirrels?

When a female squirrel is in heat (estrus), which lasts less than a few hours, her scent and vocalizations attract males. A male can detect a female in estrus as far away as 1/3 of a mile (500 meters).

Squirrels start the mating process with a chase. Males in competition for the female will engage in a loud and wild pursuit before one of them gives up and leaves. The dominant male is typically the winner and mates with the female. The female squirrel may mate with more than one male, resulting in the same litter having different fathers.

They tend to mate between December to February and from May to June.

Squirrel Birth and Beyond

After a gestation period of 40-44 days, the female gives birth to an average of 2 or 3 babies, but possibly up to 9 kits (babies). The babies are born hairless, blind, and deaf. But maturity happens quickly, the ears open and the tail has an abundance of fur around four weeks, and the eyes open about a week later.

do squirrels mate for life baby squirrels
baby squirrels

At eight weeks old, the young squirrels are venturing out of the nest for short distances and are weaning off mother’s milk and transitioning to solid foods.

Around eight weeks old, the squirrels are almost adult-size and become independent of their mother. Weaning, or making the transition from the mother’s milk to other food, begins at this time, and at about 12 weeks, the youngsters will be almost adult size and entirely independent of their mother.

Do Squirrels Mate for Life & Stay Together as a Family?

Immediately after mating, the male goes his way, and the female is left to raise the babies alone. There is no bonding between the male and female parents; instead, the bonding happens between mom and siblings. Based on these observations and squirrels becoming independent at 12 weeks old, the squirrel family does not stay together long-term.

do squirrels mate for life - Bart the squirrel
Bart, a father, and author of our newsletter at Kitty City Squirrels

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Do Squirrels Mate for Life?

So now we know the answer to the question, “do squirrels mate for life?” No, most squirrels don’t mate for life.

One last surprising detail for this topic is that a female squirrel is good at identifying her whole family tree, and she rarely mates with family members.

do squirrels mate for life - Lucky the Squirrel
Lucky, Father of Smudge, Courtesy of @pipthebabysquirrel on Instagram
smudge the squirrel
Smudge, son of Lucky, Courtesy of @pipthebabysquirrel on Instagram

Wrapping Up

As someone who appreciates squirrels, I enjoy sharing information about their fascinating behaviors. If you have any questions you would like Kitty City Squirrels to address or puzzling squirrel behavior, please leave a comment below or reach out to us HERE. Take a look here if you would like to read about my first encounter with a newborn squirrel.

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25 Comments

  1. Really enjoyed this piece on squirrel behaviors, especially the part about their mating habits. It’s pretty fascinating how nature works. Kudos, Merideth Sweeney, for shedding light on these amazing creatures.

  2. Fascinating read about squirrel families, Merideth Sweeney. Is there any specific reason why males don’t stick around after mating? Would love to know if it’s something common in most rodent species or unique to squirrels.

  3. Interesting read! I was wondering about the gestation period and if there’s a notable difference between species of squirrels. Is there any information available on that?

  4. I never knew that squirrels were so independent by 12 weeks. It’s quite interesting to learn how self-sufficient they become in such a short time. Thanks for sharing this info!

  5. I’m not sure I agree with the idea that squirrels don’t bond with mates at all. In my yard, I’ve noticed pairs that seem to stick together. Maybe it’s not the norm, but it does happen.

    1. Actually, Alex_jam, most observed behaviors suggest that squirrels don’t form long-term bonds with mates. Your situation might be a rare exception or a misunderstanding of their social interactions.

    2. Fair point, Kimberly T. Perhaps I’m reading too much into what I see. Will observe more carefully.

  6. Fascinated by the mating habits section. However, wondering about the source of the stats on mating for life—would love to dive deeper into that research.

  7. Squirrels are such amazing creatures. Learning that their moms are solely responsible for their upbringing showcases their resilience. Incredible!

  8. So, basically, after all that intense mating effort, Mr. Squirrel doesn’t stick around? Sounds like a solid strategy. Not.

  9. This makes me wonder about how squirrel mothers manage to find enough food for all their kits, especially when they have up to 9. How do they do it?

  10. Love learning about squirrel families! As a mom, I can’t help but feel for those squirrel moms doing it all alone. Nature’s supermoms.

  11. Really appreciate the insight into squirrel reproduction and family dynamics. The estrus detail is particularly fascinating and not something widely known among casual wildlife watchers.

  12. It’s quite enlightening to learn about the lifecycle of squirrels. Nature has its unique way of balance.

  13. What a well-written piece! I’ll be using these facts in my next biology lesson. It’s important for students to appreciate the complexity of animal behaviors.

  14. Not sure I buy the whole ‘squirrels don’t mate for life’ bit. I swear, the pair in my backyard have been the same for years. Anyone else seen this?

    1. Actually, I’ve read similar observations! Although rare, it seems some squirrel pairs might stay together longer than we think.

    2. That might just be because they have overlapping territories or use the same resources. Doesn’t necessarily mean they’re ‘together’.

  15. Never really paid much attention to squirrels, but this article makes me want to observe them more closely when I’m hiking.

  16. This just melts my heart. Squirrel moms are so strong, managing all on their own. Makes me appreciate nature’s resilience even more.

  17. The resilience and adaptability of squirrels is truly inspiring. Articles like these help spread awareness about the beauty of wildlife right in our backyards.

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