Pinguinus impennis

Bengtson, S. - A. 1984. Breeding ecology and extinction of the Great Auk (Pinguinus impennis): anecdotal evidence and conjectures. The Auk 101(1): 1-12.

Birkhead, T. 1994. How collectors killed the Great Auk? New Scientist 1927: 24-27.

Bourne, W. R. P. 1993. The story of the Great Auk Pinguinus impennis. Archives of Natural History 20: 257-278.

Grieve, S. 1885. The Great Auk, or Garefowl (Alca impennis Linn.): its history, archeology and remains. Grange Publishing Works, Edinburgh, UK.

Halliday, T. R. 1979. The Great Auk. Oceans 12: 27-31.

Hobson, K. A.; Montevecchi, W. A. 1991. Stable isotope determination of the trophic status of the Great Auk. Oecologia 87: 528-531.

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

Livezey, B. C. 1988. Morphometrics of flightlessness in the Alcidae. The Auk 105: 681-698.

Lyngs, P. 1994. Gejrfuglen. Et 150 års minde. Dansk Ornitologisk Forenings Tidsskrift 88: 49-72.

Montevecchi, W. A.; Kirk, D. A. 1996. Great Auk (Pinguinus impennis). In: Poole, A.; Gill, F. (ed.), The birds of North America, No. 260, pp. 1-20. The Academy of Natural Sciences, and The American Ornithologists' Union, Philadelphia, and Washington, DC.

Olson, S. L.; Swift, C. C.; Mokhiber, C. 1979. An attempt to determine the prey of the Great Auk Pinguinus impennis. The Auk 96: 790-792.