What Squirrel Species Live in Detroit?
Detroit has several squirrel species, but the eastern gray squirrel is the most common. You'll also find fox squirrels, which are larger and have a reddish tint, and red squirrels, which are smaller and more aggressive. Flying squirrels are often overlooked because they are nocturnal, but they can be the ones making noise in your attic at night. Each species has similar habits: they seek shelter in attics, chew on wood and wires, and raise their young in nests. In Detroit's urban environment, they thrive in parks and neighborhoods with mature trees. Knowing which species you're dealing with can help you choose the right removal method. For example, flying squirrels may require different exclusion techniques because they are smaller and can fit through smaller gaps.
A Month-by-Month Timeline for Squirrel Activity in Detroit
Squirrel activity in Detroit follows a predictable pattern. In January and February, squirrels are less active but may seek warmth in attics. In March and April, the first litter of the year is born, so you might hear babies in the attic. By May and June, young squirrels are becoming active and may leave the nest. Mid-summer brings the second litter, so August and September see another wave of activity. As fall approaches, squirrels begin storing food and may cause more damage to roofs and eaves. Winter is when they are most likely to move into your attic to escape the cold. Understanding this timeline helps you plan prevention and removal efforts: avoid sealing entry points when babies are present, and focus on exclusion in late summer or early fall before they settle in for winter.
What the First Visit from a Professional Looks Like
When you hire a squirrel control expert in Detroit, their first step is a thorough inspection. They'll examine your roofline, soffits, fascia, and attic for signs of squirrels, including droppings, nests, and entry holes. They'll also look for potential entry points, even those not currently being used. After the inspection, they'll explain what they found and recommend a removal plan. This might include one-way doors, trapping, or sealing entry points. They'll also discuss timing, especially if it's breeding season. A good professional will answer your questions and give you a clear estimate. They should also provide advice on preventing future infestations, such as trimming trees and reinforcing vulnerable areas.
Why Detroit's Climate Makes Squirrel Problems Worse
Detroit has a humid continental climate with cold winters and warm summers. Average winter lows drop to 18 degrees Fahrenheit, which pushes squirrels to seek warm shelters like attics. The city also receives about 34 inches of rain annually, and humidity averages 72 percent, which can cause wood to rot and create more entry points. These conditions mean squirrels are more likely to invade homes during the colder months, and they may cause more damage as they chew to expand gaps or create new ones. The freeze-thaw cycle can also create cracks in rooflines, making it easier for squirrels to get in. Understanding this helps you prioritize sealing potential entry points before winter arrives.
How to Compare Quotes from Squirrel Control Companies in Detroit
Ask every Detroit company for a written plan built from an actual inspection, not a number over the phone. The plan should say how many entry points were found, where each one is, and what material will cover it, because that count is what separates a two-hour job from a two-day one on a 1920s brick house with wood soffit returns. Next, compare the removal method. One-way doors on the active hole plus sealing everywhere else is standard practice; a bid that only mentions traps and no repairs is selling you a pause, not a fix. Ask what happens if the doors go up during the March to June or August to September litter windows, and whether the crew will open the ceiling to remove pups rather than leave them behind. Then check the parts people forget: whether contaminated insulation removal is included or quoted later, how many follow-up visits come with the price, and who handles the wildlife rules on trapping and release. Get all of it itemized so removal, exclusion, and cleanup can be compared side by side across two bids.