Architectural traditions in the structures built by cooperative weaver birds

Maria C Tello-Ramos*, Lucy Harper, Isabella Tortora-Brayda, Lauren M Guillette, Pablo Capilla-Lasheras, Xavier A Harrison, Andrew J Young, Susan D Healy

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Humans cooperate to build complex structures with culture-specific architectural styles. However, they are not the only animals to build complex structures nor to have culture. We show that social groups of white-browed sparrow weavers (Plocepasser mahali) build structures (nests for breeding and multiple single-occupant roosts for sleeping) that differ architecturally among groups. Morphological differences are consistent across years and are clear even among groups with territories a few meters apart. These repeatable differences are not explained by among-group variation in local weather conditions, bird size, tree height, or patterns of genetic relatedness. Architectural styles are also robust to the immigration of birds from other groups.
Original languageEnglish
Pages (from-to)1004-1009
Number of pages6
JournalScience
Volume385
Issue number6712
Early online date29 Aug 2024
DOIs
Publication statusPublished - 30 Aug 2024

Keywords

  • Nesting behavior
  • Animals
  • Sparrows - physiology
  • Cooperative behavior

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