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When organisms require the same limited resources within an environment, they may have to compete for them. Competition is a net-negative interaction. Even if two competing individuals or populations do not interact directly, the overall fitness of both competitors is lowered as a result of not having full access to the limited resource.
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Cooperating elephants mitigate competition until the stakes get too high.

Li-Li Li1,2, Joshua M Plotnik3,4, Shang-Wen Xia5

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Asian elephants exhibit high cooperation rates but employ diverse strategies to mitigate competition. However, limited resources can rapidly erode cooperation, mirroring human societal dynamics.

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Area of Science:

  • Animal behavior
  • Primate and non-primate comparative studies
  • Evolution of cooperation

Background:

  • Cooperation is widespread in animals for mutual benefit.
  • Selection can favor competition, potentially undermining cooperative behaviors.
  • Research on competition mitigation is limited, especially in non-primate species.

Purpose of the Study:

  • To investigate cooperative and competitive behaviors in Asian elephants.
  • To explore how elephants mitigate competition.
  • To understand the impact of resource availability on elephant cooperation.

Main Methods:

  • Utilized a loose-string pulling apparatus to assess behavior in semi-wild Asian elephants.
  • Recorded cooperation rates and observed competition mitigation strategies.
  • Analyzed the influence of affiliation and rank on mitigation tactics.

Main Results:

  • Elephants maintained a high initial cooperation rate (80.8%).
  • Mitigation strategies included "block," "fight back," "leave," "move side," and "submission," adjusted by affiliation and rank.
  • Competition and "fight" behaviors increased significantly with limited resources, disrupting cooperation.

Conclusions:

  • Asian elephants demonstrate complex social dynamics in managing cooperation and competition.
  • Mitigation strategies are context-dependent, influenced by social hierarchy and relationships.
  • Resource scarcity destabilizes elephant cooperation, paralleling human societal patterns and suggesting shared evolutionary principles.