Data from: Always together: an extremely long pair bond in rufous horneros

Audio recordings of duets, datasets, and R code used to reproduce the statistical analyses from the article: Diniz, P. (2024). Always together: an extremely long pair bond in rufous horneros. Ornithology Research. https://doi.org/10.1007/s43388-025-00250-3 The file spec.RDS contains the spectral measurements of the duets.本数据集涵盖棕灶鸟（rufous horneros）二重鸣唱的音频录音、配套数据集，以及用于复现论文《形影不离：棕灶鸟超长配对纽带》（原英文标题：Always together: an extremely long pair bond in rufous horneros，作者Diniz, P.，2024年发表于《鸟类学研究（Ornithology Research）》，DOI: 10.1007/s43388-025-00250-3）中所述统计分析的R代码。其中spec.RDS文件存储了该类二重鸣唱的频谱测量数据。