Brewers Blackbird, Purple Whelk (Euphagus cyanocephalus, Quiscalus brewerii), Signed: J.J. Audubon, J.T. Bowen, lithograph, Pl. 492 (vol. 7), Audubon, John James (drawn); Bowen, J. T. (lith.), 1856, John James Audubon: The birds of America: from draw