A carful walk in GNG may reveal an amazing form of survival. Many species of animals employ a wide variety of camouflage tactics, and one of these tricks is called background matching. Background matching is commonly used as camouflage, allowing an animal to blend in with their surroundings. This deception allows prey to avoid predators, and for predators to surprise prey. In the two images below, color matching and cryptic coloration can be seen being utilized in very effective ways.
Whitebanded Crab Spider – Misumenoides formosipes ♀ 
Pallid-winged Grasshopper – Trimerotropis pallidipennis