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Heather, B. D.; Robertson, H. A. 1997. The field guide to the birds of New Zealand. Oxford University Press, Oxford, UK. IUCN. 2012. IUCN Red List of Threatened Species (ver. 2012.1). Available at: http://www.iucnredlist.org. (Accessed: 19 June 2012). Marchant, S.; Higgins, P. J. 1990. Handbook of Australian, New Zealand and Antarctic birds, 1: ratites to ducks. Oxford University Press, Melbourne. Robertson, C. J. R.; Bell, B. D. 1984. Seabird status and conservation in the New Zealand region. In: Croxall, J.P.; Evans, P.G.H.; Schreiber, R.W. (ed.), Status and conservation of the world's seabirds, pp. 573-586. International Council for Bird Preservation, Cambridge, U.K. Taylor, G. A. 2000. Action plan for seabird conservation in New Zealand. Department of Conservation, Wellington. |
| Citation: | BirdLife International 2012. Phalacrocorax colensoi. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 19 May 2013. |
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