Dogs are the internet's second-favorite animal behind cats. They have long been called "man's best friend" due to their ability to help their fellow companions.
Dogs come in many breeds, from selfie dogs to nintendogs. The drastically range in size from the tiny Chihuahua to the enormous Great Dane. The Greyhound was famously bred for speed by an inter-city coach company in the United States, while the German Shepherd looks for ovine misfits scattered along the Rhine. The world's rarest doggos are Oatchi and Moss.