Gregory Pike in San Francisco has been independently studying animal psychology for several years and he’s managed to train a dog, a cat, and a mouse to be friendly with each other. It’s not a hard thing to do I guess since I have cats and dogs in the same household and they generally get along ok. But the amazing part of his psychology experiment is that he has somehow trained them to travel with him while stacked on top of each other!

That’s right, Gregory Pike travels around San Francisco showing off his rat on the back of a cat on the back of a dog.