golden retriever chewing on branch in field

activity animal attractive background beautiful behavior best branch breed canine casual cheerful chewing coat color colorful content cut cute day daylight daytime dog doggy domestic ear expressing expression exterior eye facial field friend gold golden grass green happiness happy head hewing hound image interested jaw joyful lifestyle long looking lover mammal mouth muzzle nobody obedient one open outdoor outdoors outside panting park pedigree people pet portrait positivity pretty puppy retriever smooth sunlight sunny sunset thermoregulation venatic very vibrant young