 Mass Audubon is independent of the National Audubon Society, and was founded earlier.Mass Audubon protects 36,500 acres of land throughout Massachusetts, saving birds and other wildlife, and making nature accessible to all with its wildlife sanctuaries and 20 nature centers.The Massachusetts Audubon Society (or Mass Audubon) was born out of Harriet Hemenway's desire to stop the commercial slaughter of birds for women's ornamental hats.