Data for Stable isotope analysis to support information on dietary and foraging ecology in Neotropical birds

This dataset contains raw stable isotope values of carbon (δ¹³C) and nitrogen (δ¹⁵N) measured in feathers of Neotropical birds. A total of 1,330 individual samples were analyzed, representing 138 species across 23 families. Samples were collected from three major Brazilian biomes: Cerrado savanna, Amazon rainforest, and Atlantic Forest.本数据集收录了新热带界鸟类羽毛中测得的碳（δ¹³C）与氮（δ¹⁵N）原始稳定同位素值。本次研究共计分析1330份个体样本，涵盖23个科下的138个物种。所有样本均采集自巴西三大主要生物群系：塞拉多稀树草原、亚马孙雨林以及大西洋森林。