Books: Art Made by Non-Human Animals
Why Cats Paint- A Theory of Feline Aestethics
Burton Silver and Heather Busch
Related animals: Cat, Human
The Museum of Non-Primate Art
See description of "Dancing With Cats", again its more interesting if taken seriously. However this one is a little over the top. The scratched sofa as installation analysis is quite funny and who knows maybe its not completely unimaginable.