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Common gulls were recorded in the February 2012, December 2012, January 2013 and April 2013 surveys. Number peaked during January 2013 with an estimated 130 (41 - 244) individuals present within the East Anglia THREE site (Table 5.23).Monthly abundance estimates for the East Anglia THREE site with a 4km buffer are presented in Appendix C, as the raw count data and confidence limits for the monthly abundance estimates.
Table 5.23. Common gullmonthlymean abundance estimates (includes positively identified and proportioned out individuals) and monthly mean densities from aerial survey data within the East Anglia THREE Site only.
Survey Month
January February March April May June July August September October November December