Lsbcal
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Some deer spook easier that others and thus are less aggressive about getting into areas that require extra effort. There is also the Food Source aspect Lsbcal, if the deer are able to find food readily elsewhere and without the extra effort, they will do so. That could be what is going on where you are. Different scenarios bring about much different actions.
Well yes, all they have to do is go around our house and head to the neighbors. Many of them like our neighbor's lush grass lawns, especially in the summer when the hills around here have turned golden.