Originally Posted by 2HosCrackPipe

...a long established military tactic in which an ambushing force uses concealment to attack an enemy that passes its position. Ambushers strike from concealed positions such as among dense underbrush or behind hilltops. The tactic is generally used to gather intelligence or to establish control over an area. Ambushes have been used consistently throughout history, from ancient to modern warfare. An ambush predator is a creature who uses similar tactics to capture prey without the difficulty and wasted energy of a chase. Always these creatures are masters of concealment, even with several of the techniques having been copied, such as camouflage...