aussie dog on a walk in the park in winter, running forward and smiling. front view. portrait in motion of australian shepherd

australian shepherd dog pet animal aussie outside walk winter snow park black tricolor white smile cheerful happy puppy domestic mammal breed young fur nature canine adorable eye sheepdog purebred fun snowflake nose fluffy freedom friend friendly smart running action handsome tongue weather energy funny looking pretty active face front view forward smiling view portrait motion background trees