Annual Variation in Great Skua Diets: The Importance of Commercial Fisheries and Predation on Seabirds Revealed by Combining Dietary Analyses

• Published in: The Condor
• Main Authors: Bearhop, Stuart, Thompson, David R., Phillips, Richard A., Waldron, Susan, Hamer, Keith C., Gray, Catherine M., Votier, Stephen C., Ross, Ben P., Furness, Robert W.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Oxford University Press (OUP) 2001
• Subjects: Consecuencia; Great skua; Stercorarius skua
• Online Access: http://dx.doi.org/10.1093/condor/103.4.802; http://academic.oup.com/condor/article-pdf/103/4/802/29711085/condor0802.pdf

Abstract This study combines conventional dietary assessment with stable isotope techniques to describe Great Skua (Stercorarius skua) diet. Stable carbon and nitrogen isotope ratios in feathers of Great Skua chicks collected over three years were analyzed in conjunction with pellet and regurgitate...