https://www.bto.org/our-work/science/publications/papers/movements-eiders-somateria-mollissima-east-coast
Movements of Eiders Somateria mollissima on the east coast of Britain
Movements of Eiders Somateria mollissima on the east coast of Britain
Citation
Baillie, S.R. & Milne, H. 1989. Movements of Eiders Somateria mollissima on the east coast of Britain. Ibis 131: 335. doi:10.1111/j.1474-919X.1989.tb02782.x