TOP 50 DOG FACTS 1 #DidYouKnow? DOGS are smart and the smartest are though to be: 1. Border Collie, 2. Podle and 3. Golden Retriever. 2 #DidYouKnow? DOGS have many breeds and there are actually 703 breeds of purebred dogs in the world. 3 #DidYouKnow? DOGS have many breeds and the heaviest breed of them […]