How 7 animals see the world: http://webecoist.momtastic.com/2009/01/14/animal-vision-color-detection-and-color-blindness/
What a cat sees: http://www.popsci.com/article/science/see-world-through-eyes-cat
What a dog hears and smells: http://chestertownspy.com/2012/08/07/the-world-through-a-dogs-eyes-ears-and-nose/