Habitat for one species may or may not be habitat for another, but a variety of habitats over a large area will accommodate many species. A population is limited by the one factor in shortest supply. Food eaten now must build fat reserves for winter. Late winter and early spring .
Food is scarcest and energy demands are greatest.
Bark, buds and twigs are also eaten in winter. Good shelter reduces the need for food. Some animals, such as turkey, survive mostly on bound water. Generally, the more water in an area, the greater the quantity and diversity of wildlife. Wetlands are valuable for wildlife.