Why do people wear bright orange while hunting?

Here are some reasons for dat:
Deer and Other Game Animals Don't See Hunter Orange camouflage pants:
Deer do not have red-sensitive cone cells in their eyes, and can't tell red or orange from green and brown.
Deer have different sensitivity to various wavelengths of light than humans. Deer see short wavelength colors such as blue (and even ultra-violet, which humans cannot even see) brighter than humans do, but deer are less sensitive to longer wavelengths such as orange and red, so these colors look darker to deer.
Wearing Hunter Orange Saves Lives
Hunter orange camouflage pants prevents other hunters from mistaking a person for an animal, or shooting in your direction.
Hunters who wear hunter orange are seven times less likely to be shot. For example, during the past ten years, not one person who was wearing hunter orange was mistaken for game and killed in New York. On the contrary, big game hunters who were involved in firearm related incidents were not wearing hunter orange.

Because its a kind of color that help you to be invisible for some of the animals so that you could target on them and make your hunting good. Hunters generally wear orange colored Camoflages to be safe and secured. If you are beginner than it may helpful for you. You may buy it from online sporting goods store. Get more information on:- Sporting Goods Outdoor Gear and Sporting Goods Store

I used to wonder this myself! It's so that the hunters can be spotted by other hunters because apparently it's pretty common to confuse camouflaged people with whatever you are hunting.

To show another hunter or GW where they are and to provide safety for a hunter against anyone who may think they are a deer.

Hunters wear bright orange in order to be easily spotted by other hunters and people. If you get lost in a forest it's easier to find something orange on a green background all over around. And other hunters will recognise in you a person because there are no bright orange animals. There are lots of tricks that hunters use. You can find out more here http://huntingfishingplus.com/.

I know this is an old post but just wanted to add carry a big honking flashlight. Nothing worse then seeing two rookies in a pickup truck at the far end of the field looking through their scopes to see if the distant spot is a deer.... Your barrel is pointed where your scope is buy a pair of binoculars or I'm gonna start borrowing your best wrenches and use em for hammering and prying.

Hunting is one of the safest ways to enjoy outdoors. Most of the hunter wear bright orange because it enhances safe hunting. A research says that hunter who doesn't wear orange blazer are more at risk. As I am also interested in deer hunting, I would suggest you to hunt deer with the help of feeder because this is the best ways of hunting. If you want to know the process of deer hunting with the help of feeder then I would suggest you to just take a look at Best Deer Feeder, Here you will know the hunting tips free of cost. On the above-mentioned link, you will also know the buying guide, which will help you to purchase the best feeder for deer.

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Bright orange is a Camouflages. Deer, Moose, and Bear are unable to see the colour. To them it just looks black, white, green, ect. It is a colour that they are unable to process.