Camouflage when hunting waterfowl, the art of blending in with the surrounding vegetation:
Camouflage is a method of concealment enabling a person or an object to go unnoticed by blending into its surroundings.
Camouflage colouration is the most common form of concealment. It is found in almost all animals. Indeed, being of a colour similar to its environment for example, is the easiest way for an animal to hide from predators.