You’ll spot baby squirrels most years because many species breed twice—once in late winter or early spring, then again in mid-summer. Most squirrel litters show up about 38–46 days after mating, and mothers usually have 2–5 kits each time. That gives you a pretty solid window to watch for nests or young squirrels in your yard.
If you notice a squirrel hustling around, gathering leaves or food, she’s probably getting ready for babies. This article covers when squirrels breed, how different species time their litters, and what goes into building and protecting a nest—so you’ll know what to look for and what to do if you stumble across a kit.
How Squirrels Have Babies: Breeding Seasons and Birth Timing
Squirrels usually mate when food’s available and the weather’s not too harsh. Most births happen in spring and again in late summer, but the exact timing really depends on the species and local climate.
When Do Squirrels Have Babies?
Most tree squirrels have two main breeding seasons. The first happens in late winter, so kits arrive in late winter or early spring. The second breeding season comes in late spring or early summer, with babies showing up by mid to late summer.
Of course, timing shifts depending on where you live and what species you’re watching. In warmer places like Florida, the first litters can show up as early as January. In colder states, squirrels might hold off until March or April. Flying squirrels and red squirrels follow similar patterns, but sometimes their timing runs a little later. If you want more details, check out this seasonal guide: https://squirrelsinfo.com/when-do-squirrels-have-babies/.
How Many Babies Do Squirrels Have Per Litter?
Litter size depends on the species, but most tree squirrels raise 2 to 5 kits at a time. Eastern gray squirrels typically have 2–4 kits, and some species can even reach 6. Ground squirrels sometimes have bigger litters—6 to 8 isn’t unheard of.
Food supply and the mother’s health make a difference. When nuts and seeds are plentiful, females tend to raise more or healthier babies. If you find a nest, don’t touch the kits; the mother usually comes back, and your scent could stress her out.
Squirrel Gestation and Kit Development Timeline
Gestation for most squirrels lasts about 38–46 days. When the kits are born, they can’t see and don’t have fur for the first week or two. They open their eyes around 4–6 weeks.
A few quick milestones:
- At birth: blind, hairless, and totally dependent.
- 3–4 weeks: fur starts to come in; moms still nurse.
- 6–10 weeks: they wean and start venturing out of the nest.
- 10+ weeks: young squirrels forage and gradually become independent.
Mothers build or fix up a drey or use tree hollows, leaving the kits for short feeding trips. When you see little squirrels exploring in summer, those are probably the newest kits figuring out how to find food and dodge predators.
Squirrel Nesting, Protection, and Species Differences
Squirrels raise their babies in nests or hollow spaces that keep them warm and hidden. Let’s look at where they build nests, how different species pick their spots, what to watch for around your house, and how you can keep squirrels out.
Where Do Squirrels Have Their Babies?
Most tree squirrels build dreys—those round nests made of twigs and leaves—high up in forked branches. A drey can hold 2–6 babies and the mother, with a leafy layer on the outside to keep out rain.
Some squirrels pick tree cavities or even attic spaces instead. Gray and fox squirrels often use hollow trunks. Red squirrels like dense conifer branches. Flying squirrels, since they’re nocturnal, usually nest in cavities or bird boxes for safety.
Sometimes, mothers move into attics, soffits, or chimney spaces on houses. You might notice shredded insulation, nesting debris, or quiet scratching at night. If you find babies, don’t disturb the nest—call a licensed wildlife rehabilitator or local wildlife control for help.
Differences Between Major Species
Fox squirrels are bigger and usually nest in higher, open branches. They adjust well to suburbs and sometimes use attics if tree branches touch the roof.
Red squirrels run smaller and really defend their territory. They build tight dreys in thick foliage and rarely move into buildings. Their nests sit close to conifer seeds.
Flying squirrels are tiny, active at night, and prefer enclosed cavities. You probably won’t spot them during the day. They can squeeze through small gaps and sometimes share nests for warmth.
Species differences change how you protect your house. Fox squirrels need bigger exclusion fixes. Flying squirrels? You’ll need to seal up even the tiniest entry points.
Signs of Squirrel Nesting Around Homes
Look out for these signs:
- Persistent scratching or scurrying in walls or the attic at dawn or dusk.
- Piles of twigs, leaves, or shredded insulation near vents or eaves.
- Droppings in attics or just below entry points.
- Grease marks or worn paths where squirrels climb up to your roof.
Check trees that touch your house. Trim branches so there’s at least a 6–8 foot gap from your roof—otherwise, squirrels can leap right on. Peek at chimney flues for nesting debris or daytime activity; a nest in the chimney can cause real trouble. If you find babies, reach out to a wildlife rehabilitator before you try to move anything.
Protecting Your Home from Nesting Squirrels
Start by sealing up any entry points you can find. Grab some metal flashing, hardware cloth, or even a one-way exclusion door—use these on soffits, vents, and eaves.
Put a sturdy cover on your chimney so squirrels can’t get in, but make sure you still get enough ventilation. Don’t forget to trim tree branches or cut back any limbs that hang close to your roof.
Check attic vents and fix up any rotted wood, since animals love chewing right through the weak spots. If you already hear little feet running around, don’t try to handle baby squirrels yourself.
Call a licensed squirrel removal professional, or reach out to a wildlife rehabilitator who knows the legal and safe way to remove them. Once the squirrels are gone, disinfect the area and swap out any insulation they contaminated.
Seal up every gap you find so they can’t sneak back in. It might feel like overkill, but regular roof and attic checks each season really help keep squirrels out for good.
