Data and code for: Relative testis size is associated with vagina length but not sperm storage traits in Galliformes

This dataset contains the data and code to replicate the analyses in
“Relative testis size is associated with vagina length but not sperm
storage traits in Galliformes.” The study examined relationships among
sperm storage capacity, sperm storage tubule (SST) morphology, relative
testis mass (a proxy for post-copulatory sexual selection), and sperm
traits across 26 Galliforme species. The dataset includes four files:
RepeatDF.csv (data for repeatability calculations); SummaryBothFolds.csv
(raw species and fold-level data); SummarySpeciesAvgs.csv (species-level
averages across both folds); and Analysis.R (code to replicate
analyses). Data files contain measurements from female
reproductive tracts, male testis mass, and sperm samples.