Sowing the Seed by Bernard Essers, 1931

Gardening by Bernard Essers, 1930

Figure Riding a Pheasant on the Beach Bernard Essers, ca. 1920

Horned Owl by Samuel Jessurun de Mesquita, 1915

Cattleya Orchid and Three Hummingbirds Martin Johnson Heade, 1871

Cat of Kazan, Russian Lubki print sometimes attributed to the artist Vasili Loren, c. 1850

Polypus Levis Hoyle Octopus by Ewald Rubsamen from a Book on the German Deep-Sea Expedition of 1910

Design for Embroidery of Birds, Atelier Martine, 1914

On the Walrus (Trichecus rosmarus), Transactions of the Zoological Society of London by James Murie - 1872

Agnus Dei by Francisco de Zurbarán - c. 1635

The Flight into Egypt by Jean-Francois Millet - 1864

Blauschwarzer Fuchs, (Blue-Black Fox) by Franz Marc - 1911

Detail from The Garden of Earthly Delights by Hieronymus Bosch - c. 1503-04

They Swam Through The Sea, Wonder Tales from Russia - 1921

“The muscles of man and cat compare favorably, indicating common origins.” . Zoology. 1952.

Zoo Animal Pictograms, National Zoo Pamphlet, Washington, D. C. - 1978

Dinosaur Family Tree, The Dinosaur Book - 1951

Skeleton of Chicken, Elementary Science - 1908

A Tiger for a Bed, The Sandman's Forest - 1918

Spider by Odilon Redon, 1887 - Postcard

The Cats’ Rendezvous by Édouard Manet - 1868

The Monkey Antiquarian by Pierre-Louis de Surugue - 1743

March by Tirzah Garwood - c. 1928