A few years ago there was a boy that mistakenly shot his dad for a squirrel! His dad was walking along the backside of a ridge in front of him and just his head would pop up and down and the kid thought it was a squirrel hopping along the ground. I have also head of a guy shooting a man out of a tree thinking he was a turkey on the roost.

Your eyes can play tricks on you sometimes. Your brain can tell you that what you see is what you are looking for sometimes even when you are not. This happens especially to new and inexperienced hunters. Be sure of your target and beyond.