two dogs with discs are ready to play

athletic awaiting black blue border breed bright canine clear coated collie collies condition conditioning cute cutest disc discs dog dogs eared ears eye face faced farm fetch fit fitness friends frisbee frisbees game games grass green half harness health healthy herding hill hilltop incline littermates moon outdoors outside patch play playing ready recreation running sisters sky smooth smoothie smoothies split sport sports stand standing stare staring texas throw top trainable trained training two vibrant waiting white work working world