just leave the wood alone for a week or so and they will soon be back, maybe spill a bit of grain about the place to encourage them a bit
you dont need camo to shoot pigeons or any thing else really just drab clothes and sit still, leave your gun at home and just go sit in the wood and watch, tuck your self into the bottom of a tree and spend a few hours at different times of the day over a few days looking to see where the birds fly into the wood, which trees they land in and which ones they use as they move further into the wood and which they use as sitty trees, look for droppings and f