It disperses a lot of the scent, and harder for the dogs to pinpoint the actual location, and distance.
Not uncommon for a dog to take a extra step, or two under those conditions. And possibly on accident, flush the bird.
Not all those who wander are lost.
Life is just a leap of faith.
Spread your arms and hold your breath and always trust your cape.
Two things define you. Your patience when you have nothing, and your attitude when you have everything.