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2. Joint Nature Conservation Committee Seabird Population Trends and Causes of Change: 1986–2012 Report webpage. Available: http://www.jncc.defra.gov.uk/page-3201. Accessed 14 January 2014.
3. Marine Management Organisation (2013) Draft East Inshore and East Offshore marine plans.
4. Mitchell PI, Newton SF, Ratcliffe N, Dunn TE (2004) Seabird Populations of Britain and Ireland. Peterborough: JNCC.
5. The status of Common Scoter Melanitta nigra in Welsh waters and Liverpool Bay, 2001–2006;L Smith;Welsh Birds,2007