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 Event URL Event Tags Bird & Nature Walks Family Friendly Wildlife Date and Time Dec 08 2012 | 2:00pm - Dec 08 2012 | 3:30pm