The U.S. Fish and Wildlife Service, Patuxent Bird Club and Prince George's County Audubon Society will sponsor "Living on the Wind: The World of Migratory Birds," a free presentation by author and naturalist Scott Weidensaul from 7 p.m. to 9 p.m. Sept. 11, at the National Wildlife Visitor Center, 10901 Scarlet Tanager Loop, Laurel.
Registration is not necessary. Those with special needs can be accommodated with two weeks' notice.
Information: Mike Quinlan, 301-805-4278, or the visitor center, 301-497-5763.
The U.S. Fish and Wildlife Service's Patuxent Research Refuge will offer a "Wildlife Wander" for ages 16 and older from 8:30 a.m. to 10:30 a.m. Sunday. Participants should bring field guides, if possible, and water on the guided walk.