outhwest winds, covers everything in its path. Within the extremely harsh environment of the dune field, even plants and animals adapted to desert conditions struggle to survive. Only a few species of plants grow rapidly enough to survive burial by the moving dunes, but several types of small animals have evolved white colorations to camouflage them in the gypsum sand. White Sands National Monument preserves a major part of this gypsum dune field, along with the plants and animals that have adapted successfully to this constantly changing environment.At the northern end of the Chihuahuan Desert lies a mountain-ringed valley, the Tularosa Basin. Rising fro