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Sex-Based Differences In Anti-Predator Response Of Crickets To Chemical Cues Of A Mammalian Predator, Brian P. Tanis, Bradley Bott, Brian J. Gaston
Sex-Based Differences In Anti-Predator Response Of Crickets To Chemical Cues Of A Mammalian Predator, Brian P. Tanis, Bradley Bott, Brian J. Gaston
Biological Sciences Faculty Publications
Anti-predator behaviors like vigilance or hiding come at the expense of other fitness increasing behaviors such as foraging. To compensate for this trade-off, prey assess predation risk and modify the frequency of anti-predator behaviors according to the likelihood of the threat. In this study, we tested the ability of house crickets (Acheta domesticus) to indirectly assess predation risk via odors from a mammalian predator, Elliot's short-tailed shrew (Blarina hylophaga). As natural differences in encounter rates and predation risk differs between sexes, we tested if male and female crickets perceive similar rates of predation risk from the presence of shrew odor …