Here's why:
* Water: Field mice require a consistent source of water. Deserts are extremely arid environments, making it difficult for field mice to find enough water to survive.
* Food: Field mice rely on seeds, grains, and other vegetation for food. Deserts often have limited vegetation, making it challenging for field mice to find enough food.
* Temperature: Field mice are adapted to cooler climates and struggle to cope with the extreme heat of deserts.
While some mice species can survive in arid environments, these are typically different species adapted to desert conditions, like kangaroo rats.