This mouse blog post is all about the mouse life cycle! From birth to death, we will cover everything you need to know about mouse biology. We'll talk about what they eat and their population numbers as well. If you're not sure how long a mouse lives or where they live in the world, this article has it all covered! The mouse life cycle is pretty simple - with 4 stages: mouse birth, mouse pup, mouse juvenile phase, adult mouse. The Mouse Life Cycle The female mouse is pregnant for about three weeks and then gives birth to mouse pups. The mouse pup is born blind with soft fur, weighing about 30 grams (about one ounce). They're weaned after a couple of weeks and reach sexual maturity in around six months. How many pups are in a litter? A mouse litter can have anywhere from two to fifteen mouse pups. The mouse juvenile phase lasts from the time they're born until puberty when they become an adult mouse. During this stage their coat develops as does their weight; by the end … [Read more...]