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Pied Flycatcher Lab Report

517 Words3 Pages

Title: Is Pied Flycatcher mobbing cooperation due to kin selection, reciprocal altruism, or by-product mutualism?
Author: Regan Permito
Overview:
Understanding the complexity of individual and group organismal interactions has presented challenges for scientists since the study of organismal biology began. The theory of evolution employed by natural selection opened up a whole new world when it came to understanding why organisms act as they do. The organisms on the earth have all inherited genes from ancestors that contributed to their competitive success. According to natural selection, organisms with traits that provide competitive advantages over others will persist in the population and pass down their genes. However, behaviors such as …show more content…

Specifically, altruistic acts within cooperative behaviors will be examined. Mechanisms behind the altruistic act of mobbing will be specifically examined in Pied Flycatchers whose cooperative mobbing behavior remains relatively unstudied in the scientific community. Hypotheses of kin selection, by-product mutualism, and reciprocal altruism as mechanisms to explain cooperative mobbing in Ficulda hypleuca will be tested through a series of experiments. The results of the experiment will add to the collection of empirical research done with many different species across the animal kingdom, to get a better overall understanding of mechanisms behind cooperation in non-human animals. If any of these mechanisms can explain cooperation in these birds, it would suggest that the indirect benefits of cooperative behavior may often have been overestimated while the direct benefits of helping to the helper's own fitness have been underestimated. The benefits of cooperation in this bird society can consequently show parallels with those in human societies, where cooperation between unrelated and related individuals alike is frequent. Furthermore, if some form of reciprocity and spite, shown in reciprocal altruism, can be observed in these birds it would suggest that reciprocity in nature is not as rare as once thought and could explain many cooperative

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