In the rodent family tree, deer mice separated from the ancestors of house mice and rats about 25 million years ago. By some ...

Learn how to recognize different types of mice. Rodents — that vast class of mammals characterized by prominent front incisors, perfectly evolved for gnawing to get at food and shelter — are a ...

Mice are common rodents throughout the world, across 1,100 species. Though they all have varying characteristics, the majority of them are best described as small, fast, and furry!

Two closely-related species of deer mice have evolved very different responses to aerial predators thanks to tweaks in deep brain circuitry.