Prairie & Timbers Audubon Society conducts this guided bird walk through the Heard Sanctuary. The walk, which lasts 1.5 hours, begins promptly. Free with regular admission. Heard Museum 1 Nature Place McKinney, TX United States Event URL Event Tags Bird & Nature Walks Family Friendly Wildlife Date and Time Sat, 12/08/2012 - 14:00 - Sat, 12/08/2012 - 15:30