Dogs are fascinating and affectionate animals that have evolved into numerous breeds with distinct appearances. Research suggests dogs descended from gray wolves 27,000-40,000 years ago. Domestication occurred 11,000-16,000 years ago, even before humans practiced agriculture. Today there are over 340 recognized purebred dog varieties differing in size, color, temperament and physical traits. From playful puppies to majestic working dogs, canines have become humanity's most loyal companions. Discover stunning HD and 4K wallpapers featuring adorable dogs of all breeds including Shih Tzu, German Spitz, Bulldog, Bernese Mountain Dog, Rottweiler, Saluki, Pitbull, Husky, German Shepherd, Pomeranian and the powerful Iranian Sarabi breed. Perfect for animal lovers seeking beautiful pet backgrounds.
