When I get home from work I'll usually head out back and play fetch with Tuke and Zoey. It's been fairly hot off and and on lately so our sessions are short, maybe 10 minutes. Well I noticed Tuke running a pattern, she'll go after the ball straight on, but once she's got it, she heads back to me in a very round about way. At first I was thinking WTH is she doing, then I realised she was trotting along the shade from one tree then another and then down along side the shade from our camper lol. She doesn't start doing this until after about the 3rd or 4th throw.