Data and code associated with paper: "Why are ornithological studies so focused on the breeding stage? A test of hypotheses"

This dataset contains information from field-based studies published in the journal Ornithology from 1960-2024. Information collected includes annual cycle stages examined, regions of study, migratory strategies of focal species, fields of study, and author affiliation for each paper. The R script contains code to organize data, analyze why the breeding stage is overrepresented as well as general trends in study attributes over time, and generate figures.