Simon et al. compared the role of constraints and selection on function to align micro- and macroevolutionary patterns of hindlimb trait covariation in frogs. They inferred that species tracked jumping performance peaks mostly along lines of least resistance within-species. Read now ahead of print!
https://www.journals.uchicago.edu/doi/10.1086/735569
#evolution #macroevolution #species #performance #hindlimb #covariation