Quillfeldt, P., McGill, R. , Masello, J.F., Weiss, F., Strange, I.J., Brickle, P. and Furness, R. (2008) Stable isotope analysis reveals sexual and environmental variability and individual consistency in foraging of thin-billed prions. Marine Ecology Progress Series, 373, pp. 137-148. (doi: 10.3354/meps07751)

Quillfeldt, P., Bugoni, L., McGill, R.A.R. , Masello, J. F. and Furness, R.W. (2008) Differences in stable isotopes in blood and feathers of seabirds are consistent across species, age and latitude: implications for food web studies. Marine Biology, 155(6), pp. 593-598. (doi: 10.1007/s00227-008-1048-2)