White-tailed deer are herbivores or plant eaters. They follow well-used trails to their feeding areas. They feed in the early morning hours and in the late afternoon. A deer's diet will vary according to its habitat and the season. They commonly eat green plants in the summer, corn, acorns and other nuts in the fall, and the buds and twigs of woody plants in the winter.
Deer are ruminants .
Their stomachs have four chambers for digesting their food. This allows them to eat plants that other animals can't digest. If deer have enough food, water and shelter their population can grow very quickly. Deer mate in November in the northern parts of their range and in January or February in the southern parts of their range. Does will have one to three babies after about six months.