they see better than us, way better, could you imagine duck hunters having to wear blaze orange at the duck swamp, thats one way of not getting ducks
the best way not to be seen when birds are flying over is do not move, if you can see them in the area avoid them, if they spring you move away and give them time to settle again, you should be able to have birds fly straight over you without a squark, and dont get to carried away with camo patterns some look brilliant to us but look like a dark blob of danger to deer ect...
