Squirrel Baby Season in New Jersey: Why Most Babies Are Born in March and April

Baby grey squirrels

Many New Jersey homeowners are caught off guard when squirrel problems suddenly worsen in early spring. What most people don’t realize is that squirrel baby season in New Jersey peaks in March and April, following a winter mating season that drives squirrels into attics and homes.

Understanding when squirrels mate and give birth can help homeowners avoid costly mistakes—and serious damage.

When Are Squirrel Babies Born in New Jersey?

In New Jersey, squirrels typically:

• Mate in late winter (January–February)

• Give birth in early spring (March–April)

Female squirrels begin searching for warm, secure nesting sites weeks before giving birth. Attics, soffits, and rooflines provide ideal conditions, which is why squirrel activity increases during the coldest months of the year.

By the time many homeowners hear noises in March or April, baby squirrels are often already present.

Why Squirrels Choose Attics During Baby Season

Attics offer everything a nesting mother needs:

• Consistent warmth

• Protection from predators

• Quiet space to raise young

• Easy access through roof gaps and vents

Once a female establishes a nest, she will aggressively defend it and return repeatedly if entry points are not properly sealed.

Signs You May Have Baby Squirrels in Your Attic

During squirrel baby season, homeowners may notice:

• Loud daytime scratching or running

• Repeated activity in one specific area

• High-pitched chirping or squeaking sounds

• Damaged insulation or nesting materials

• Visible roof or soffit damage

Squirrels are active during the day, which helps distinguish them from raccoons or rats.

Why Squirrel Baby Season Is Risky for DIY Removal

Attempting to remove squirrels during March and April can cause serious problems:

• Babies may be trapped inside if entry points are sealed

• Orphaned young can lead to death and odor issues

• Mothers may chew new holes to reach their babies

• Improper trapping can violate wildlife regulations

Once babies are present, removal must be handled carefully and humanely.

Why Late Winter Is the Best Time to Act

Because squirrel mating happens in winter, late January through February is the ideal time to address squirrel problems—before babies are born.

Early intervention allows:

• Safe removal of adult squirrels

• Prevention of nesting

• Proper sealing of entry points

• Avoidance of baby squirrel complications

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Professional Squirrel Removal During Baby Season

A professional wildlife control service will:

1. Inspect the attic and exterior for nests and entry points

2. Confirm whether babies are present

3. Use humane, species-appropriate removal methods

4. Safely reunite or relocate young if needed

5. Perform exclusion and repairs to prevent future issues

Experience matters most during baby season.

Dealing With Squirrels in New Jersey This Spring?

If you’re hearing daytime attic noises in late winter or early spring, don’t wait. Squirrel baby season in New Jersey peaks in March and April, and improper handling can make the problem worse.

Acorn Wildlife specializes in humane squirrel removal and long-term prevention throughout New Jersey—even during sensitive breeding periods.