Keogan, Katharine, Lewis, Sue, Howells, Richard J., Newell, Mark A., Harris, Michael P., Burthe, Sarah, Phillips, Richard A., Wanless, Sarah, Phillimore, Albert B., Daunt, Francis, "No evidence for fitness signatures consistent with increasing trophic mismatch over 30 years in a population of European shag Phalacrocorax aristotelis", Journal of Animal Ecology, 2021