Two cranes (1925 - 1936) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
Birds at full moon (1900 - 1936) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
Two peacocks on tree branch (1900 - 1930) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by… 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).… Free Image from public domain license 
American White Pelican from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from… Free Image from public domain license