Sex roles in birds: influence of climate, life histories and social environment

For detailed information concerning data collection please see Gonzalez-Voyer et al. Sex roles in birds: phylogenetic analyses of the influence of climate, life histories and social environment. Ecology Letters. Briefly, data on ecology, life histories and behaviour of birds were extracted from published literature. If several data were available for a given species, we included the ones that were extracted from breeding individuals or had larger sample sizes. The details regarding data processing are provided in the Supplementary Material of Gonzalez-Voyer et al. (accepted).Missing values are coded as "NA". All code necessary to repeat the anlayses will be uploaded with the manuscript as supplementary material. Funding provided by: Newton FundCrossref Funder Registry ID: http://dx.doi.org/10.13039/100010897Award Number: NA150257Funding provided by: German Research FoundationCrossref Funder Registry ID: http://dx.doi.org/10.13039/501100001659Award Number: CRC TRR 212Funding provided by: Dutch Scientific Foundation*Crossref Funder Registry ID: Award Number: NWO 040.11.481The dataset and the associated notes should be self-explanatory