Birding Field Trips Available 7 days a week. Program Time: 9 a.m. - Noon Educators will meet you and your family at a local state park or open space for a birding adventure! You can choose to spend the morning birding at Golden Gate Canyon SP, The Audubon Nature Center at Chatfield, Lair "o" The Bear or the Walden Ponds Wildlife Habitat trail. When you register you will be able to choose where the program will take place. Children 3 and under are always welcome and can join the fun at no additional cost.