Predator avoidance in fiddler crabs: The visual cues
The efficiency of predator avoidance strategies depends on the availability and accuracy of sensory information. Although vision can in principle provide instant information on a predator's position, direction of approach and identity, prey animals that face fast predators have to respond so early (close to the limits of detection) that visual cues are unreliable predictors of actual risk. This is a major problem for prey animals that have to balance predation risk with the cost of antipredator...[Show more]
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