a heart
Since they are living, they do grow. This is one of the features that make living things, living.
Mice make little squeaks
12cm
Rats will not tolerate mice living by them. Rats will kill mice.
water, air and sex
Breeding
Mice need bedding that is soft, absorbent, and non-toxic for their living environment. Materials such as paper-based bedding, aspen shavings, or recycled paper products are commonly used for mice bedding. It is important to regularly clean and replace the bedding to maintain a healthy living environment for the mice.
Mice do not make sound
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tepees
Razer mice are geared towards gamers and often are adorned with LED lights and extra buttons. Make sure to pick one that fits your hand well and has the features that you want, but do not spend extra for features that you have no use for.
A group of mice living in the same place is commonly referred to as a "nest" or a "mischief." Mice often gather in nests for shelter and to raise their young, while "mischief" is a more playful term used to describe a group of them.