usally small fine grains like thisle and or wheat, they prefer those but will eat any thing.
Mice eat grain, owls eat mice. Less grain, less mice, less owls.
small rodents such as mice and srews eat grain.
I
Most all cats will hunt and consume mice .
i am pretty sure that they do eat mice because they are field mice and field mice eat grain and if the grass grows maybe corn crops then the field mice would eat it !!
grain and stuff. Field mice eat whatever they can find. Field mice commonly eat seeds, new plant shoots, berries, fruits, insects, invertebrates, and even carrion.
seeds of many kinds of plants
all kinds of bugs. except SPIDERS
They would eat mice, moles and rats if they can catch them.
mice, snakes, and other kinds of very small animals
It will be fine. You would just have to eat different kinds of grain like bread and wheat.
ducks eat wild grain, grasses, vegetation. such as water snails and insects