See what birds are migrating at this beginning birding field trip on Saturday, Sept. 16, at Metcalf National Wildlife Refuge. Learn bird identification, including use of binoculars and key field marks. Binoculars are available if needed. Families are welcome. Minimal walking is involved. Meet at the refuge headquarters at 10 a.m. for this two-hour field trip. For more information, call the refuge at 406-777-5552. Sponsored by Bitterroot and Five Valleys Audubon, and Metcalf National Wildlife Refuge.