Howard, C., Stephens, P. A., Tobias, J. A., Sheard, C., Butchart, S. H. M., & Willis, S. G. (2018). Flight range, fuel load and the impact of climate change on the journeys of migrant birds. Proc Biol Sci.

Howard, Christine, Philip A. Stephens, Joseph A. Tobias, Catherine Sheard, Stuart H. M. Butchart, và Stephen G. Willis. "Flight Range, Fuel Load and the Impact of Climate Change On the Journeys of Migrant Birds." Proc Biol Sci 2018.

Howard, Christine, et al. "Flight Range, Fuel Load and the Impact of Climate Change On the Journeys of Migrant Birds." Proc Biol Sci 2018.