Just what is a Timberdoodle? Take a hike through two interpretive loops to discover the answer. Find out about wildlife as you stroll through various habitats (beaver pond, hemlock groves, cool and warm season grass plantings, aspen stands and conifer plantations) all being managed for different wildlife species. Points of Interest: Interpretive wildlife waysides. Timberdoodle Flats Wildlife Interpretive Trail is located on the Allegheny National Forest in McKean County, near the town of Marshburg. The trail begins at the parking area ¼ mile east of the intersection of State Route 321North and State Route 59.