The following references were used to create the atlas pages on this topic:

Cronin, M., Duck, C., Ó Cadhla, O., Nairn, R., Strong, D. & O' Keeffe, C. 2004. Harbour seal population assessment in the Republic of Ireland: August 2003. Irish Wildlife Manuals, No. 11. National Parks & Wildlife Service, Department of Environment, Heritage and Local Governement, Dublin, Ireland.

Lockley, R.M. 1966. The distribution of grey and common seals on the coasts of Ireland. Ir. Nat. J. 15, 136-143.

McConnell, B. J., M. A. Fedak, P. Lovell & P. S. Hammond. 1999. Movements and foraging areas of grey seals in the North Sea. J. Appl. Ecol. 36, 573-590.

Ó Cadhla, O. & Mackey, M. 2002. Out of site, out of mind? Marine mammals and seabirds on Ireland's Atlantic Margin. In F. Convery & J. Feehan (eds.) Achievement and Challenge - RIO +10 and Ireland. Environmental Institute, University College, Dublin. 423-426.

Ó Cadhla, O., Mackey, M., Aguilar de Soto, N., Rogan, E. & Connolly, N. 2003. Cetaceans and Seabirds of Ireland's Atlantic Margin. Volume II - Cetacean distribution & abundance. Report on research conducted under the 1997 Irish Petroleum Infrastructure Programme (PIP): Rockall Studies Group (RSG) projects 98/6, 99/38 and 00/13. 82pp.

Reeves, R. R., Stewart, P. J., Clapham, P. J. & J. A. Powell. 2002. Sea mammals of the world: A complete guide to whales, dolphins, seals, sea lions and sea cows. A&C Black Publishers, London.

Summers, C.F., Warner, P.J., Nairn, R.G.W., Curry, M.G. & Flynn, J. 1980. An assessment of the status of the common seal Phoca vitulina vitulina in Ireland. Biol. Conserv. 17, 115-123.

Summers, C.F. 1983. The grey seal, Halichoerus grypus, in Ireland. Unpublished report to the Minister for Fisheries, Forestry and Wildlife. 13 pp.