Pennsylvania designated the white-tailed deer as official state animal in 1959. The white underside of the deer's tail waves when running and is flashed as a warning when danger is sensed.
An animal of incredible beauty and power, white-tailed deer are able to run up to 40 miles per hour, jump 9 foot fences, and swim 13 miles per hour. Both native Americans and settlers relied on the white-tailed deer for buckskin and food.