colourful australian shepherd runs around a grassy field and collects his purple disc to play with. blue merle dog fetching his

action adorable agility australian beige bonding candid canine catching colored comical dog emotional excitement expressing eyes fetch friend friendship funny fur game happiness hound humor hunt joy mammal meadow multi obedience outside owner pedigree people pet puppy purebred relationship reliability retriever running sheepdog shepherd smiling speed sprinting togetherness vitality wildlife