Why do cows wear bells? Animal Jokes, Cow Jokes Why do cows wear bells? Because their horns don't work. 👍 Upvotes: 5 More Animal Jokes What do you call a bear with no teeth? What do you call a pony with a cough? What do you call a pig that knows karate? What do you call a cow on a trampoline? Why do bears have hairy coats? What do you call an alligator wearing a vest? See all Animal Jokes →