Keywords: 256 Purple Heron.jpg LargeImage 255_Red_Phalarope jpg 257_Double-crested_Cormorant jpg Plate 256 of Birds of America by John James Audubon depicting Purple Heron http //images library pitt edu/cgi-bin/i/image/image-idx view entry;cc audimg;entryid x-aud0256 University of Pittsburgh 1827 - 1838 creator John James Audubon PD-old-100 The Birds of America |