Alca torda

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del Hoyo, J.; Elliott, A.; Sargatal, J. 1996. Handbook of the Birds of the World, vol. 3: Hoatzin to Auks. Lynx Edicions, Barcelona, Spain.

Huettman, F., Diamond, A.W., Dalzell, B. and Macintosh, K. 2005. Winter distribution, ecology and movements of razorbills Alca torda and other auks in the outer Bay of Fundy, eastern Canada. Marine Ornithology 33: 161-171.

IUCN. 2012. IUCN Red List of Threatened Species (ver. 2012.1). Available at: http://www.iucnredlist.org. (Accessed: 19 June 2012).

Leaper, G.M., Webb, A., Benn, S., Prendergast, H.D.V., Tasker, M.L. and Schofield, R. 1988. Seabird studies around St Kilda, June 1987. Nature Conservancy Council, Peterborough, UK.

Sandvik, H.; Erikstad, K. E;, Barrett, R. T.; Yoccoz, N. G. 2005. The effect of climate on adult survival in five species of North Atlantic seabirds. Journal of Animal Ecology 74: 817-831.

Wanless, S., Harris, M.P. and Greenstreet, S.P.R. 1998. Summer sandeel consumption by seabirds breeding in the Firth of Forth, south-east Scotland. ICES Journal of Marine Science 55(6): 1141-1151.