The following article states what I have been reading since the 60's
http://outdoorchannel.com/article.as...letype=article
They see something but not what we see, since we can't ask them I will not take the chance. Yes I will walk into the woods with a red light since the best studies show it is less obtrusive but I won't turn the light on and flash it at them before I take a shot. All a matter of choice when a little piece of tape removes any uncertainty. IMHO