Three Fish.
Stäppvargen (Der Steppenwolf) by Herman Hesse.
Book cover design by Gunnar Göransson.
Found here (via Fox & Thomas).
Gorilla Ornament, Arboretum, Co.Carlow.Painting by Mairead O’hEocha.
Found here (via).
brucesterling:

Could prove useful
Poster for Museum Rietberg Zürich (1952).
Design by Ernst Keller.
Found here.
OUAF.
Monoprint by Yann Kebbi.
Found here.
Wildlife Under the Equator by Paul Du Chaillu (1869).
Found here.
Fox with Mask.
Engraving by Aegidii Albertini Hirnschleiffer (1645). Found here (via ulvehund).
mishymashy:

Beaver. This woodcut is an illustration from the book The history of four-footed beasts and serpents… by Edward Topsell, printed by E. Cotes for G. Sawbridge, T. Williams and T. Johnson in London in 1658. (via University of Houston Digital Library : Item Viewer)
Matchbox label.
Found here.
Lions Starve in Naples by Johan Fabricius.Book cover design by Emanuel Frinta & Sutnar. (1934).
Found here.
Fighting Stallions (1534) by Hans Baldung.
Found here.
Dissected Anteater (1868).
Found here.
Tiger im nächtlichen Dschungel (Tiger in the Jungle at Night) by A.R. Penck.From his recent show at Michael Werner Gallery.
Found here.