THIS TRIP IS FULL. Full day, starting at 9 a.m. along the Choptank River in Cambridge. Waterfowl, overwintering songbirds, and raptors, plus optional late afternoon marsh watch. Brown-headed Nuthatch possible. Bring lunch and drinks. Limit: 12. For reservations (required) and more information, contact the LEADER: Mark England at email@example.com or 240-308-4114.