Notes
Oppel, S., Beard, A., Fox, D., Mackley, E., Leat, E., Henry, L., Clingham, E., Fowler, N., Sim, J., Sommerfeld, J., Weber, N., Weber, S., Bolton, M., 2015. Foraging distribution of a tropical seabird supports Ashmole's hypothesis of population regulation. Behavioral Ecology and Sociobiology 69: 915-926.