Click here to read a review of the above paper in Nature.
Billo, T.J. (submitted). 2013. Sexual selection drives differential divergence and stereotypy in male- and female-directed signals between two closely related bird species (Manacus: Aves). Evolution.
Parker, D.M., Zavortink, T.J., Billo, T.J., Valdez, M.U., and J.S. Edwards. 2012. Mosquitoes and other arthropod macro fauna associated with tank bromeliads in a Peruvian cloud forest. Journal of the American Mosquito Control Association, 28(1):45-46.
Day, L.B., L. Fusani, E. Hernandez, T.J. Billo, K.S. Sheldon, P.M. Wise, and B.A. Schlinger. 2007. Testosterone and its effects on courtship in golden-collared manakins (Manacus vitellinus): Seasonal, sex, and age differences. Hormones and Behavior. (51): 69-76.
Billo, Timothy. 1998. Excerpts from a Study of the Past and Present Ecology of the American Chestnut (Castanea dentata) in a Northern Hardwood Forest. Journal of the American Chestnut Foundation. 12(1): 27-46.