Sadie is just over a year old. She is either in constant motion or sound asleep. But she is a bundle of energy when she’s awake. Several times a day she and Arthur go into the backyard to toss and retrieve a ball to help her expend some of that pent up energy. She concentrates hard on watching Arthur, crouching down far on the opposite side of the yard, waiting, and calculating where the ball needs to be before she makes her move. She doesn’t move until the ball is at that place, then she starts slowly, inching forward in a crouch, springing up and sprinting forward before launching into the air and catching the ball. She almost never misses. Then the game is on to race back to Arthur and drop the ball for him to do it again. What struck me, though, is that as much as she seems to live for this game, she makes Arthur work to find the ball before he can pitch it back to her. She circles around a few times in the garden, not on the grass near Arthur, but in the shrubs and bark where she drops the ball, usually near the center of a dense shrub. Then she races at top speed to the opposite side of the yard and readies herself in a crouch waiting for the next round. I took this shot just as she slowly began her move, before making her high speed lurch to meet the ball. I discovered that except when she was in a crouch or just beginning to move, most of the shots I took contained only the top or bottom of a dog and her sudden and unpredictable bursts of speed challenged my panning skills.