Climate, niche conservatism, and the global bird diversity gradientDOI: info:10.1086/519009v. 170University of Chicago PressS16–S27
Hawkins, Bradford A., Felizola Diniz-Filho, Jose Alexandre, Jaramillo, Carlos A., and Soeller, Stephen A. 2007. "Climate, niche conservatism, and the global bird diversity gradient." American Naturalist, 170 S16–S27. https://doi.org/10.1086/519009.