Müllerian mimicry is a natural phenomenon in which two or more well-defended species, often foul-tasting and sharing common predators, have come to mimic each other's honest warning signals, to their mutual benefit. The benefit to Müllerian mimics is that predators only need one unpleasant encounter with one member of a set of Müllerian mimics, and... See more

Aposematism is the advertising by an animal, whether terrestrial or marine, to potential predators that it is not worth attacking or eating.[1] This unprofitability may consist of any defenses which make the prey difficult to kill and eat, such as toxicity, venom, foul taste or smell, sharp spines, or aggressive nature. These advertising signals... See more

Take the deadly trick played by the killer females of one genus of firefly (Photuris) on the males of another firefly genus (Photinus). Understandably, the Photinus males scrupulously avoid contact with the bloodthirsty Photuris females. However, through centuries of natural selection, the Photuris female hunters have located a weakness in their

... See more