Cancelled. Nature Walk focusing on birds, 8-11 a.m., location TBA. Meet in the parking area. Lots of migrant birds are expected to be seen. Association member Kurt Schwarz of the Maryland Ornithological Society will lead the group. You must register for this walk. To register, or for more information, contact Kurt at krschwa1@verizon.net or 443-538-2370 (cell). Participants will be contacted in case of inclement weather.