Photoshopped.
Yeah, it would be useless to hide in a tree this short anyway, dogs like that can happily jump several feet into the air.
(Were this real) I would probably have to make my tree choices based on how high *I* can jump! ^_^;
My point was more of a "this is like covering your eyes when playing hide and seek so people couldn't see you since you couldn't see them". If you can't outrun it, odds are for a feral standing your guard would be better if you are an adult.
Though if he got above the branch he was on (put a foot where it meets the trunk) he would probably be fine.