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Mouse Life Cycle and Reproduction Facts

Mouse Babies

Mouse Babies

Mouse Reproduction

Mice are prolific breeders with a short gestation period, two factors that combine to make the rodents hard to control. Mouse babies are born around 20 days after mating and are ready to breed in as little as 10 weeks. Females can have 5 to 10 litters, so infestations grow quickly.

What Do Baby Mice Look Like?

A newborn baby mouse is blind and hairless. The young pests grow a coat of fur within two weeks and begin to open their eyes. At this stage, juvenile mice look like tiny versions of adults. They begin to leave the nest shortly after, which is when homeowners may start to notice the pests in the house.

Baby Mouse Diet

The animals feed on their mother’s milk until they can eat solid foods in about 21 to 28 days. They are then able to forage for meals outside of the nest. Mouse babies consume nuts, seeds, insects, and crumbs. As a result, kitchens are a common place to spot droppings and other signs of activity.

Problems and Removal

Noticing baby mice in a home means there is likely an ongoing infestation. Keeping inside entry holes sealed and homes clean are the best ways to prevent rodents, but stopping a current infestation often requires more serious intervention. For help removing mice, contact the specialists at Orkin.

Resources

Dig Deeper on Mice

What can we do about the mice above the ceiling?

Q

Our basement is finished with JYP rock tiles on the ceiling, and we can hear at times (especially at night) mice scurrying above. What can we do?

Is it a mouse or a rat?

Q

I can't tell if I have large mice or adolescent rats.

What should we do about mice in crawl space and attic?

Q

What should we do besides put traps out?

Is it a mole or a mouse?

Q

No websites give any information on getting rid of one in the house. Any advice would be greatly appreciated.

Mice in the oven

Q

How do you make sure there is no infestation, or that they have been removed? Is it safe to use the oven?

Mouse droppings in the house

Q

We cleaned out the closet by the kitchen where we have seen the old droppings and have not seen any more. Are they gone?

What attracts mice in your house?

Q

What attracts mice in your house?

How to Use Mouse Bait Stations

How to Find a Dead Mouse in the House

Field Mice

Field mouse illustration

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