Besides olfactory and acoustic cues, camera flash may scare animals so that they avoid or destroy camera traps.The major alternative light source is infrared, which is usually not detectable by mammals or birds.Booby traps have been used in both major World Wars, in Vietnam (2) and they are being currently employed in the Middle East (3) and other combat hot spots around the globe.
It has a certain special something that is very difficult to describe in words.
The practice of laying booby traps has survived and become just one component of an effective war strategy.
By definition a “booby trap” is “An explosive device designed to be triggered when an unsuspecting victim touches or disturbs a seemingly harmless object….” (Answers.com) In guerrilla combat camouflaged or otherwise hidden killer traps are physically and psychologically effective at securing and destroying important weaponry, transportation routes, and strategically eliminating enemies with little or no trouble at all.
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These data are superior to human observations, because they can be reviewed by other researchers.