• Bathe, G. 2007. Political and social drivers for access to the countryside: the need for research on birds and recreational disturbance. Ibis 149 (Suppl. 1): 38.
  • Burger, J. & Gochfeld, M. 1998. Effects of ecotourists on bird behaviour at Loxahatchee National Wildlife Refuge, Florida. Environ. Conserv. 25: 1321.
  • Burger, J., Gochfeld, M. & Niles, L.J. 1995. Ecotourism and birds in coastal New Jersey – contrasting responses of birds, tourists, and managers. Environ. Conserv. 22: 5665.
  • Fitzpatrick, S. & Bouchez, B. 1998. Effects of recreational disturbance on the foraging behaviour of waders on a rocky beach. Bird Study 45: 157171.
  • Gill, J. 2007. Approaches to measuring the effects of human disturbance on birds. Ibis 149 (Suppl. 1): 914.
  • Hill, D., Hockin, D., Price, D., Tucker, G., Morris, R. & Treweek, J. 1997. Bird disturbance: improving the quality and utility of disturbance research. J. Appl. Ecol. 34: 275288.
  • Hockin, D., Ounsted, M., Gorman, M., Hill, D., Keller, V. & Barker, M.A. 1992. Examination of the effects of disturbance on birds with reference to its importance in ecological assessments. J. Environ. Manage. 36: 253286.
  • Liley, D. 1999. Predicting the Consequences of Human Disturbance, Predation and Sea Level Rise for Ringed Plover Populations. PhD thesis. Norwich: University of East Anglia.
  • Liley, D. 2002. Access to the Countryside and Bird Conservation: Priorities for Research. English Nature Research Report 485. Peterborough, UK: English Nature.
  • Liley, D. & Sutherland, W.J. 2007. Predicting the population consequences of human disturbance for Ringed Plovers Charadrius hiaticula: a game theory approach. Ibis 149 (Suppl. 1): 8294.
  • Sidaway, R. 1990. Birds and Walkers: a Review of Existing Research on Access to the Countryside and Disturbance to Birds. London: Ramblers Association.
  • Sutherland, W.J. 2007. Future directions in disturbance research. Ibis 149 (Suppl. 1): 120124.
  • Woodfield, E. & Langston, R. 2004. A Study of the Effects on Breeding Nightjars of Access on Foot to Heathland. RSPB Research Report no. 11. Sandy, Bedfordshire: RSPB.