While the image above may appear to be from a storybook or animated film, it’s just a real wild mouse. Primarily nocturnal animals, mice compensate for their poor eyesight with a keen sense of hearing, and rely especially on their sense of smell to locate food and avoid predators. Mice build intricate burrows in the wild. These burrows typically have long entrances and are equipped with escape tunnels/routes. In at least one species, the architectural design of a burrow is a genetic trait. Continue reading for more.