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Greater White-fronted Goose. In R. Forrester, I. J. Andrews, C. J. McInerny, R. D. Murray, R. Y. McGowan, B. Zonfrillo, M. W. Betts, D. C. Jardine & D. S. Grundy (Eds.),
The Birds of Scotland (pp. 144-148). Aberlady: The Scottish Orrnithologists' Club.
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Greater Scaup. In R. Forrester, I. J. Andrews, C. J. McInerny, R. D. Murray, R. Y. McGowan, B. Zonfrillo, M. W. Betts, D. C. Jardine & D. S. Grundy (Eds.),
The Birds of Scotland (pp. 237-240). Aberlady: Scottish Ornithologists' Club.