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Brooke, M. De L. 2004. Albatrosses and petrels across the world. Oxford University Press, Oxford. Collar, N. J.; Gonzaga, L. P.; Krabbe, N.; Madroño Nieto, A.; Naranjo, L. G.; Parker, T. A.; Wege, D. C. 1992. Threatened birds of the Americas: the ICBP/IUCN Red Data Book. International Council for Bird Preservation, Cambridge, U.K. Giglioli; Salvadori. 1869. Pterodroma arminjoniana arminjoniana, Pterodroma defilippiana, Puffinus assimilis elegans. Ibis New ser. Vol. 5: 62-63, 68. Howell, S. N. G.; Webb, S.; Spear, L. B. 1996. Identification at sea of Cook's, de Filippi's and Pycroft's petrels. Western Birds 27: 57-64. Hulm, P. 1995. Robinson Crusoe's Islands face an uncertain future. Plant Talk: 19-21. IUCN. 2012. IUCN Red List of Threatened Species (ver. 2012.1). Available at: http://www.iucnredlist.org. (Accessed: 19 June 2012). Roberson, D.; Bailey, S. F. 1991. Cookilaria Petrels in the eastern Pacific Ocean. American Birds 45: 1067-1081. Sibley, C. G.; Monroe, B. L. 1990. Distribution and taxonomy of birds of the world. Yale University Press, New Haven, USA. Spear, L. B.; Howell, S. N. G.; Ainley, D. G. 1992. Notes on the at-sea identification of some Pacific gadfly petrels (Genus: Pterodroma). Colonial Waterbirds 15: 202-218. |
| Citation: | BirdLife International 2012. Pterodroma defilippiana. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 18 May 2013. |
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