Strange Animal Behavior Do fish spit themselves? Do snails have teeth? And do armadillo always get four identical boys? Some answers are correct and some are wrong ;) True or False? - Strange Animal Behaviors There is an armadillo species that always gives birth to four identical babies. Orangutans never break their legs. The parrotfish spits on itself. Snails have about 25,000 teeth. A Cockroach can live for up to nine days without its head. Goldfish have a 3-second memory. See all "True or False?" quizzes!