Innovation and elaboration on the avian tree of life
T. Guillerme, J. Bright, C. Cooney, E. C. Hughes, Z. Varley, N. Cooper, A. P. Beckerman, G. H. Thomas
The paper examines megaevolutionary patterns in bird beak diversity, finding that elaboration is common across scales while innovation drives major phenotypic changes through gradual processes.
bioRxiv · Aug 12, 2022Evolutionary Biology