Scientific DataSkeletal trait measurements for thousands of bird speciesBrian C. WeeksZhizhuo ZhouCharlotte M. ProbstJacob S. BervBruce O’BrienBrett W. BenzHeather R. SkeenMark ZiebellLouise BodtDavid F. Fouhey2025-05-28Full textDOI https://doi.org/10.1038/s41597-025-05234-y