The Biggs Museum of American Art, 406 Federal St., Dover, will host “Audubon, Then and Now,” an exhibition of more than 50 original etchings and lithographs of artist and naturalist John James Audubon, along with contemporary pieces from artists influenced by Audubon’s work, from Aug. 3 through Nov. 25.

The museum will celebrate the opening of the exhibit with “A Night with the Birds: Exhibition Opening Party,” set for 5:30 to 7:30 p.m. Aug. 3. The evening will include a hosted bar and cocktail party. Tickets are $25 general admission and $20 members, and are available at or by phone to 674-2111.