There are hundreds of types of dog toys out there - and odds are your dog has at least a dozen stashed away. (Who wants ONE type?) But if you had to guess which is your dog's absolute favorite, what would come out on top? Probably some form of squeaky toy. Squeaky toys thrill dogs, whether they're rubber chews or soft plush. Why, though? What makes squeaky toys so popular with canines? We're going to get into all of the possible explanations.