tree_ghost":1dxrphlo said:
There are multiple theories about what triggers the rut and I'm not certain that any single one of them is the smoking gun so to speak, but one I heard last year was that there is a sensory gland (can't remeber the name of it) in the inner portion of the eye socket on a deer that measures the amount of daylight there is. When the correct daylight to dark ratio is hit then it triggers the breeding instinct in the animal...interesting idea if nothing else
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Photoperiod trigger. A lot believe the moon will effect when the rut happens and even how intense it will be, personally think the rut hits pretty well the same time every year but the visible rut signs we see are higher with better conditions. I don't think that light or lack of effects the build in a buck's testosterone or in a doe's estrous cycle.
More people are in the woods with gun seasons, so stands to reason they see more "rut" signs even though what they may be seeing is the post rut or even secondary rut and not the primary rut.
Rut activity will vary in intensity depending on does, with more does the more does that will be in at the same time. Whether that makes for a more intense rut or not is debateable. Not enough does in an area and the bucks will not stick around, too many and there is no or lesser competition for action.
Contrary to what some may think, a buck can breed a doe even well outside of what is typical. A doe will continue to cycle until she is bred. We watched a buck mount a little doe in February here one year, well after the rut was over. This years doe fawns if born early enough can come in their first estrous cycle late in the year, that is where you see some of the late December "rutting" activity.
With all that being said I have read a few articles suggesting the rut this year will be earlier based on moon phase, I know I will be in a stand as much as possible early November on into the rifle season. Buck I killed last year was locked on a doe on November 15th. His mistake was taking a peak to see who was grunting.