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Testing the information centre hypothesis in a multilevel society.

Danai Papageorgiou1,2,3,4, Wismer Cherono5, Gabriella Gall6,7,8

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Summary
This summary is machine-generated.

Communal roosting in vulturine guineafowl facilitates information transfer between distinct social groups. Co-roosting helps naive groups find food resources, influencing their future movements and associations.

Keywords:
GPS‐trackingcommunal roostinginformation centre hypothesismultilevel socialityvulturine guineafowl

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Area of Science:

  • Animal behavior
  • Ecology
  • Social learning

Background:

  • Conspecifics aggregate at sleeping sites in many animal species.
  • These aggregations can function as information centers for environmental knowledge.
  • Some species exhibit communal sleeping sites with stable, multi-group membership.

Purpose of the Study:

  • To investigate if communal sleeping sites facilitate information transfer among distinct groups of wild vulturine guineafowl.
  • To test the extension of the information center hypothesis to communal sleeping sites with separate social groups.

Main Methods:

  • Utilized GPS tracking to record simultaneous group movements in vulturine guineafowl.
  • Examined spatial organization at communal roosts to assess inter-group mixing.
  • Conducted a field experiment with naive and knowledgeable groups to test food patch discovery.

Main Results:

  • GPS data showed significant intermixing of groups at roosts, enabling out-group information acquisition.
  • Co-roosting with knowledgeable groups significantly increased naive groups' discovery of novel food patches.
  • Food patch discovery by naive groups influenced their subsequent space use and inter-group associations.

Conclusions:

  • Communal sleeping sites serve as crucial hubs for social learning and information exchange among distinct groups.
  • Findings support the extension of the information center hypothesis to communal roosts composed of multiple social groups.
  • Communal roosting can precede large-scale collective movements, impacting group range and associations.