'Wildlife Conservation Day' The Patuxent Research Refuge celebrates Wildlife Conservation Day from 10 a.m. to 2 p.m. at the North Tract of the refuge, 230 Bald Eagle Drive, Laurel. Event offers guided hikes, tips on birding, wildlife photography and observation, practice at fly-tying, fishing, watch working dogs retrieve, participate in archery and firearms demonstrations and crafts for young children. Visitors can also get information on hunter safety, hunting and fishing. Admission is free. Information: 301-497-5770 or patuxent.fws.gov.