The effects of changes in food availability on the breeding ecology of great skuas Catharacta skua in Shetland

• Published in: Journal of Zoology
• Main Authors: Hamer, K. C., Furness, R. W., Caldow, R. W. G.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 1991
• Subjects: Catharacta skua
• Online Access: http://dx.doi.org/10.1111/j.1469-7998.1991.tb04758.x; https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1469-7998.1991.tb04758.x; https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1469-7998.1991.tb04758.x; https://zslpublications.onlinelibrary.wiley.com/doi/pdf/10.1111/j.1469-7998.1991.tb04758.x

Great skuas on Foula, Shetland have responded to a decline in the availability of sandeels since the late 1970s by increasing the proportion of other items in their diets. This change is correlated with the annual recruitment of sandeels in Shetland waters. Since 1983 there has been a 10‐fold increa...