but they are pretty fucking stupid

What happens when a pitbull picks a fight with a porcupine?

Dogs apparently have the kamikaze spirit and do not know when to quit when encountering the porcupine.

http://www.katu.com/news/story.asp?ID=78584
http://www.snopes.com/photos/animals/porcupinedog.asp
smartest animals in the world?
intelligent animals are: chimpanzees, gorillas, orangutans, parrots, cats, smaller toothed whales (especially killer whales or Orcas), elephants, pigs, baboons, gibbons, monkeys (many species
especially macaques) mammals like dolphins and whales that are capable of learning symbolic communication.