You might try contacting the original event coordinator to see if any future events are scheduled.
Pre-registration is required. For more information call 508-362-7475 x9353 or visit website: http://www.massaudubon.org/get-outdoors/program-catalog#results:sanctuary=28:program_code=34135
Otherwise, please use the search feature above, or browse by categories on the left to find another event.