Eagle on tree branch (1900 - 1910) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
Crow with kaki fruit (1900 - 1910) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
Parrot and Pyrus spectabilis illustration from Pictorial Monograph of Birds (1885) by Numata Kashu (1838-1901). Digitally… Free Image from public domain license 
Short-eared Owl and Cherry Flower illustration from Pictorial Monograph of Birds (1885) by Numata Kashu (1838-1901).… 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 
Water Lily (1920 - 1930) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
Two pigeons (1877-1945) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
Three red-tailed swallows in dive (1900-1930) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced… Free Image from public domain license 
Japanese Magpie and Waterfall illustration from Pictorial Monograph of Birds (1885) by Numata Kashu (1838-1901). Digitally… Free Image from public domain license 
Snake by Kōno Bairei (1844-1895). Digitally enhanced from our own original 1913 edition of Barei Gakan. Free Image from public domain license