Literature
, 2018. Combined bottom-up and top-down pressures drive catastrophic population declines of Arctic skuas in Scotland. Journal of Animal EcologyJournal of Animal EcologyJ Anim Ecol, 87(6), pp.1573 - 1586. Available at: https://besjournals.onlinelibrary.wiley.com/doi/10.1111/1365-2656.12890.