Plant matter:
* Seeds: A staple food, especially during fall and winter when other options are scarce.
* Fruits: They love berries, apples, and other fruits when available.
* Nuts: Pecans, acorns, and other nuts are a good source of energy.
* Grains: They'll nibble on grain crops like wheat and corn.
* Green vegetation: Leaves, grasses, and other plant matter are also part of their diet.
Animal matter:
* Insects: A significant portion of their diet, especially during the summer.
* Small invertebrates: They'll eat spiders, worms, snails, and other invertebrates.
* Eggs: They might occasionally prey on bird nests and eat eggs.
* Carrion: They are known to scavenge on dead animals, especially in times of scarcity.
Other interesting facts about their diet:
* They are known to be "cache" food, meaning they store food for later consumption.
* They often forage in areas where human activity is common, which is why they are often found in homes and garages.
* Their diet can be influenced by habitat and location.
Overall, deer mice are opportunistic feeders that will eat a wide range of food depending on what's available.