Chira, A. M., Cooney, C. R., Bright, J. A., Capp, E. J. R., Hughes, E. C., Moody, C. J. A., Nouri, L. O., Varley, Z. K., & Thomas, G. H. (2018). Correlates of rate heterogeneity in avian ecomorphological traits. Ecology Letters, 21(10), 1505-1514. https://doi.org/10.1111/ele.13131