Baby Mouse Development Day By Day

Baby Mouse Development Day By DaySource:

Day 1-2

On the first day, baby mice are born with their eyes and ears closed, and their skin is pink and transparent. They rely on their sense of smell to find their mother and get their food. Within a couple of days, their fur starts to grow, and they become more active. They will start to learn how to crawl and explore their surroundings.

Day 3-4

The baby mice’s fur should be fully grown by now, and their ears should start to open. They will become more vocal and start to communicate with their siblings and mother. They will also start to groom themselves and each other, which is essential for their hygiene.

Day 5-6

By now, the baby mice’s eyes should start to open, and they will be able to see. They will become more curious about their surroundings and start to venture further away from their mother. They will continue to grow and develop at a rapid pace.

Day 7-8

The baby mice should be more coordinated by now, and their movements will become more precise. They will start to learn from their mother and siblings, and their behavior will become more social. They will also start to consume solid food in addition to their mother’s milk.

Day 9-10

At this stage, the baby mice should be able to regulate their body temperature and be more active. They will continue to grow their teeth, and their motor skills will improve. They will also start to play with each other and develop their social skills further.

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Day 11-12

The baby mice should be almost fully weaned by now and be able to eat solid food exclusively. They will also start to become more independent and explore their surroundings without their mother’s guidance. They will continue to grow, and their personalities will start to develop.

Day 13-14

By now, the baby mice should have reached their maximum size, and their personalities will become more apparent. They will become more active and start to develop their motor skills further. They will also become more curious about their surroundings and start to explore more.


In conclusion, baby mice development is a rapid process, and they grow and change day by day. It’s essential to provide them with a safe and comfortable environment to grow and learn. By understanding their development day by day, we can better care for them and ensure their healthy growth.

Frequently Asked Questions

Q: What should I feed my baby mice?

A: Baby mice should be fed a mixture of solid food and their mother’s milk until they are weaned. After weaning, they can eat solid food exclusively.

Q: When should I separate baby mice from their mother?

A: Baby mice should be separated from their mother when they are fully weaned, which is usually around three weeks of age.

Q: How often should I clean the baby mice’s cage?

A: You should clean the baby mice’s cage at least once a week or more often if necessary. Make sure to use unscented cleaning products and avoid using any chemicals that may harm them.

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Q: When will baby mice start to develop their teeth?

A: Baby mice start to develop their teeth at around five days of age, and their teeth should be fully grown by two weeks of age.

Q: Can baby mice be kept as pets?

A: While baby mice can be kept as pets, they require specialized care and attention. It’s crucial to research their needs and understand their behavior before getting them as pets.

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I am a child development specialist with a strong passion for helping parents navigate the exciting and sometimes challenging journey of raising a child. Through my website, I aim to provide parents with practical advice and reliable information on topics such as infant sleep, feeding, cognitive and physical development, and much more. As a mother of two young children myself, I understand the joys and struggles of parenting and am committed to supporting other parents on their journey.

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