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Figure 5.4. Summary of great skua flight direction within the East Anglia THREE Site and 4 km buffer (n=28).
5.3.11 Sabine’s Gull 68. A single Sabine’s gull was recorded during the November 2011 survey within the East Anglia THREE site. This bird was recorded flying at potential collision height (22 – 176m).
5.3.12 Kittiwake
5.3.12.1 Abundance estimates 69.
Kittiwakes were recorded during all surveys with the exception of October 2011 and July 2012. Numbers peaked during December 2012 when an estimated 4,304 (528 – 11,234) individuals were present within the East Anglia THREE site (Table 5.15). 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.
70.
The abundance estimates below provide information on this species after there has been the process carried out of the attribution of unidentified birds, the process of attribution being described in the methods section. Appendix B provides the abundance estimates for this species before the attribution of unidentified birds and also the abundance estimates for the relevant unidentified, grouped category.