Prairie & Timbers Audubon Society conducts this guided bird walk thru the Heard Sanctuary. The walk, which lasts 1.5 hours, begins promptly. Free with regular admission: $11/adults, $8/children. Heard Museum 1 Nature Place McKinney , TX Event URL Event Tags Bird & Nature Walks Family Friendly Wildlife Date and Time Feb 09 2013 | 2:00pm - Feb 09 2013 | 3:30pm