How does the presence of a conspecific individual change the behavioral game that a predator plays with its prey?

Oecologia
Reut VardiM L Rosenzweig

Abstract

Behavioral games predators play among themselves may have profound effects on behavioral games predators play with their prey. We studied the behavioral game between predators and prey within the framework of social foraging among predators. We tested how conspecific interactions among predators (little egret) change the predator-prey behavioral game and foraging success. To do so, we examined foraging behavior of egrets alone and in pairs (male and female) in a specially designed aviary consisting of three equally spaced pools with identical initial prey (comet goldfish) densities. Each pool was comprised of a risky microhabitat, rich with food, and a safe microhabitat with no food, forcing the fish to trade off food and safety. When faced with two versus one egret, we found that fish significantly reduced activity in the risky habitat. Egrets in pairs suffered reduced foraging success (negative intraspecific density dependence) and responded to fish behavior and to their conspecific by changing their visiting regime at the different pools-having shorter, more frequent visits. The time egret spent on each visit allowed them to match their long-term capture success rate across the environment to their capture success rate in th...Continue Reading

References

Apr 1, 1976·Theoretical Population Biology·E L Charnov
Feb 1, 1973·Journal of Theoretical Biology·H R Pulliam
May 27, 1997·Proceedings of the National Academy of Sciences of the United States of America·M L RosenzweigA Subach
May 24, 2005·Behavioural Processes·Marika Stenberg, Anders Persson
Nov 26, 2008·Gene·Tomoyoshi KomiyamaKazuho Ikeo
Nov 27, 2008·Oecologia·Pavel KratinaBradley R Anholt
Sep 1, 1998·Trends in Ecology & Evolution·A SihD Wooster
Feb 1, 2014·Oecologia·Keren EmbarBurt P Kotler
Aug 12, 2014·Journal of Mathematical Biology·Lenka Přibylová, Luděk Berec
Mar 6, 2015·Oecologia·Alexandra J R Carthey, Peter B Banks

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Citations

Dec 7, 2020·Zoology : Analysis of Complex Systems, ZACS·Chih-Kai HuangYen-Min Kuo
Jan 13, 2021·Behavioural Processes·Reut VardiZvika Abramsky

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