Check out these images of animals images:
Animal Heroes
Image by CircaSassy
This image is in the PUBLIC DOMAIN. Attribution is not necessary. The original book is available at the Internet Archive (www.archive.org/details/animalheroesbein00setouoft ).
Animal heroes; being the histories of a cat, a dog, a pigeon, a lynx, two wolves & a reindeer and in elucidation of the same over 200 drawings (1905)
