There is camouflage clothing available that provides various advantages specifically against all deer species.
Sense Reduction Values (1 = some; 6 = excellent)
|Boone & Crockett||5 / 6||2 / 6||1 / 6|
|Doc Monsignor||3 / 6||2 / 6||3 / 6|
|Army Outfit||5 / 6||2 / 6||1 / 6|
|Trapper Outfit||3 / 6||4 / 6||1 / 6|
|Outback Outfit||1 / 6||1 / 6||1 / 6|
You will quickly see a big difference when using any of these outfits with the deer species when you have approached them with a regular outfit before. When in prone, the animals will almost step on you before they notice the danger and run. These clothes have the same effect on any map, environment and vegetation, as opposed to certain camouflage clothes which only unfold their advantages when in certain areas such as forests, but provide zero camouflage otherwise.