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Figure 1. Slope angles selected by breeding birds in relation to those available on Skomer. a) Mean slope angle (o) according to orientation (number of points per orientation bin; 2911- 8718). b) Slope angle in relation to (A) unoccupied sections (n=33, median= ~45.1o), (B) occupied but not classified as either largest or densest sections (n=31, median= ~47.5o) and (C) sections classified as both largest and densest (n=7, median= 68.5o).