Hooping Crane from Birds of America (1827) by John James Audubon (1785 - 1851), etched by Robert Havell (1793 - 1878). The… Free Image from public domain license 
Indian white Heron (Ardea orientalis) from Illustrations of Indian zoology (1830-1834) by John Edward Gray (1800-1875).… Free Image from public domain license 
American White Pelican from Birds of America (1827) by John James Audubon (1785 - 1851 ), etched by Robert Havell (1793 -… Free Image from public domain license 
Pink Flamingo from Birds of America (1827) by John James Audubon (1785 - 1851 ), etched by Robert Havell (1793 - 1878). The… Free Image from public domain license