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Iowa designated the oak as the official state tree in 1961. The oak was chosen because it is abundant in the state and provides shelter, food, and nesting cover for many animals and birds. It is difficult to find a tract of natural woodland in Iowa that does not harbor at least one species of oak tree.
Acorns (the nuts of oak trees) are a favorite food for wild turkeys, pheasants, quail, wood ducks, raccoons, squirrels, chipmunks, deer, bluejays, nuthatches, grackles, several kinds of woodpeckers, and other wildlife.
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