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.

中文翻译：

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合作织鸟建造的建筑传统


人类合作建造具有特定文化建筑风格的复杂结构。然而，它们并不是唯一能够建造复杂结构或拥有文化的动物。我们发现，白眉麻雀编织者（Plocepasser mahali）的社会群体所建造的结构（用于繁殖的巢穴和用于睡眠的多个单人栖息地）在不同群体的建筑上有所不同。形态差异多年来都是一致的，即使在领地相距几米的群体中也很明显。这些可重复的差异不能用当地天气条件、鸟类大小、树高或遗传相关模式的群体间差异来解释。建筑风格对于其他鸟类的迁徙也具有很强的影响力。