Evolutionary BiologybioRxiv
Evolution of correlated complexity in the radically different courtship signals of birds-of-paradise
R. A. Ligon, C. D. Diaz, J. L. Morano…·E. Scholes
The paper analyzes courtship signal complexity in birds-of-paradise to show positive correlations between visual and acoustic traits, suggesting integrated evolution of a composite courtship phenotype.
DOI 10.1371/journal.pbio.2006962