Literature
Seabird monitoring handbook for Britain and Ireland: a compilation of methods for survey and monitoring of breeding seabirds, JNCC, RSPB, ITE and Seabird Group. Available at: https://hub.jncc.gov.uk/assets/bf4516ad-ecde-4831-a2cb-d10d89128497.
, 1995. Isle of May seabird studies in 2015, Peterborough: JNCC. Available at: https://data.jncc.gov.uk/data/7e0f4fb3-ef5d-41b5-a6b8-9d840371d6f2/JNCC-Report-475k-FINAL-WEB.pdf.
, 2015.