ORIGINAL: Charlie P
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Plus consider this deer from urban environments around peoples houses and what not grow accustomed to human scents and fear them less
To a point. They pattern the humans go into a thicket that deer don't normally scent you and see if their reaction is different.
I have done this. They run about 25-30 yards and stop and look. If you don't chase them they eventually just walk off having learned once again that a human is not necessarily a threat.