Research
Laying date, clutch size and egg size of the Mallard Anas platyrhynchos and Tufted Duck Aythya fuligula.
Hill, D.A. 1984. Ibis, 126: 484-495.
Factors affecting nest success in the Mallard and Tufted Duck.
Hill, D.A. 1984. Ornis Scandinavica, 15: 115-122.
Population regulation in the Mallard (Anas platyrhynchos).
Hill, D.A. 1984. Journal of Animal Ecology, 53: 191-202.
Clutch predation in relation to nest density in the Mallard and Tufted Duck.
Hill, D.A. 1984. Wildfowl, 35: 151-156.
Plumage variation of Razorbill chicks.
Hudson, P.J. 1984. British Birds, 77: 208-209.
Observations on nestlings of the Long-tailed Hermit Phaethornis superciliosus.
Hudson, P.J. 1984. Bulletin of the British Ornithologists' Club, 104: 97-99.
Some effects of sheep management on heather moorlands in northern England.
Hudson, P.J. 1984. In: Jenkins, D. (ed.) Proceedings of N.E.R.C. I.T.E. Symposium No. 13 'Agriculture and the Environment': 143-149. Natural Environment Research Council, London.
Inflorescence production by Brownea rosa-de-monte (Leguminosae) and feeding behaviour of the Long-tailed Hermit Phaethornis superciliosus.
Hudson, P.J. & Sugden, M. 1984. Ibis, 126: 416-420.
Habitat and Social Organisation of Roe Deer (Capreolus capreolus).
Johnson, T.H. 1984. Unpublished Ph.D thesis. University of Southampton, Southampton.
Epidemiology of cereal aphids on winter wheat in Norfolk, 1979-1981.
Leather, S.R., Carter, N., Walters, K.F.A., Chroston, J.R., Thornback, N., Gardner, S.M., & Watson, S.J. 1984. Journal of Applied Ecology, 21: 103-114.