Day By Day Baby Mouse Development

Baby Mouse DevelopmentSource:


As a pet owner, we always want to keep our babies safe and healthy. Every pet has its own development process, and today we will dive deep into the day by day baby mouse development process. It’s essential to observe and understand this process to ensure that we are giving our new friends the proper care they need.

Day 1-3

The first three days after birth, baby mice are known as pinkies. They are hairless, blind, and deaf. They depend on their mother for everything, including warmth, food, and hygiene. It’s important to avoid disturbing the nest during this period, as the mother may abandon her babies if she feels threatened.

Day 4-7

During this stage, pinkies start to develop fur, and their ear canals open up. Their sense of touch is also developing, and they start to crawl around the nest. The mother mouse spends a lot of time grooming her babies to keep them clean and healthy.

Day 8-14

Now called fuzzies, baby mice start to open their eyes at around day ten. Their coordination improves, and they can now stand on their feet. They start to explore their surroundings, but still rely on their mother’s milk for nutrition. The mother mouse continues to groom her babies and keeps the nest clean.

Day 15-21

At this stage, baby mice start to eat solid food and drink water. They are now called weanlings and start to become more independent from their mother. Their fur is fully developed, and they start to play with their siblings. It’s important to provide a well-balanced diet for them during this period to ensure proper growth and development.

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Day 22-28

Weanlings are now considered juvenile mice. They are fully weaned from their mother and continue to eat solid food. They start to establish their hierarchy and social behavior within the group. It’s important to provide a clean and spacious living environment at this stage to prevent health issues and stress.


The day by day baby mouse development process is crucial to understand as a pet owner. Observing their growth and development can help us detect any health issues early and provide proper care. It’s important to provide a clean and safe environment for our new furry friends, along with a well-balanced diet. With proper care, they will grow into healthy and happy adult mice.

Frequently Asked Questions

Q: How many babies can a mouse have?

A: A female mouse can have about 5-10 babies per litter, and they can have up to 10 litters per year.

Q: When can baby mice leave their mother?

A: Baby mice can leave their mother at around 4 weeks old.

Q: How often do baby mice need to be fed?

A: Baby mice need to be fed every 2-3 hours during their first week of life and gradually decrease to being fed every 6-8 hours by the third week.

Q: Can baby mice survive without their mother?

A: It’s challenging for baby mice to survive without their mother, as they rely on her for food, warmth, and protection. It’s essential to avoid separating them unless it’s necessary for their safety.

Q: Are baby mice prone to diseases?

A: Yes, baby mice are prone to diseases, especially if they are not kept in a clean environment. It’s important to provide regular cleaning and monitor their health for any signs of illness.

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