I'm not the type to fill the world with cute cat videos, but…

It looks quite compelling that the cat reacts to the motion illusion.

Whatever I said above: cute. [Kodos to Jan for the hint.]

More on the snake #opticalillusion   here: http://michaelbach.de/ot/mot_rotsnake/

http://www.youtube.com/watch?v=CcXXQ6GCUb8