The Marguerite Moffett Audubon Sanctuary consists of 108 acres of intermediate to brackish marsh on the west side of Hwy 56 near Chauvin. With its 700-foot long boardwalk, this birding sanctuary allows visitors an intimate glimpse into the lush, exotic birding habitat of Clapper Rail, Seaside Sparrow, Least Bittern, Marsh Wren and countless other species of birds.