detailed black and white vector illustration of a mallard duck wearing camouflage hunting gear, including a camo hat and utility vest with pockets, sitting calmly in shallow marsh water among cattails and reeds, humorous and charming composition, realistic duck proportions with stylized textures, line art engraving style with fine hatchwork, detailed reflections on water surface, slight ripples and wetland vegetation outlines, clean vector composition, strong line contrast, no background clutter, no text