File S1 - Modelling the Effects of Prey Size and Distribution on Prey Capture Rates of Two Sympatric Marine Predators

Appendix S1, Prey species delivered by adults to chicks during feeding watches at the Isle of May (1999-2006). Appendix S2, The bio-energetics model and energetic relationships from the literature. Appendix S3, Frequency of prey types in adult diets at the Isle of May (2003-2007) obtained through water offloading. Appendix S4, Time activity budgets for all common guillemots included in this study. Appendix S5, Time activity budgets for all razorbills included in this study. (DOCX)