This species is suspected to have experienced moderately rapid declines in the past three generations (33 years) and as a result it is classified as Near Threatened.
SACC. 2006. A classification of the bird species of South America. Available at: http://www.museum.lsu.edu/~Remsen/SACCBaseline.html.
Sibley, C. G.; Monroe, B. L. 1990. Distribution and taxonomy of birds of the world. Yale University Press, New Haven, USA.
Stotz, D. F.; Fitzpatrick, J. W.; Parker, T. A.; Moskovits, D. K. 1996. Neotropical birds: ecology and conservation. University of Chicago Press, Chicago.
76 cm . Upperparts black, with blueish tinge to neck and head, white neck, chest, belly and undertail. Deep red skin around eyes and base of the bill is pink. Feet are also pink (Koepcke 1964). Similar Species: Within its range could be confused with Red-legged Cormorant, but latter is grey not black and has distinctive white neck patch.
Related state of the world's birds case studies
Bertellotti, M.; Donázar, J. A.; Blanco, G.; Forero, M. G. 2003. Imminent extinction of the Guanay Cormorant on the Atlantic South American coast: a conservation concern? Biodiversity and Conservation 12: 743-747.
Croxall, J. P.; Prince, P. A.; Hunter, I.; McInnes, S. J.; Copestake, P. G. 1984. Seabirds of the Antarctic Peninsula, islands of the Scotia Sea, and Antarctic continent between 80ºW and 20ºW: their status and conservation. In: Croxall, J.P.; Evans, P.G.H.; Schreiber, R.W. (ed.), Status and conservation of the world's seabirds, pp. 637-666. International Council for Bird Preservation, Cambridge, U.K.
del Hoyo, J.; Elliot, A.; Sargatal, J. 1992. Handbook of the Birds of the World, vol. 1: Ostrich to Ducks. Lynx Edicions, Barcelona, Spain.
Koepcke, M. 1964. Gráfica Morsom SA, Lima, Peru.
Zavalaga, C. B.; Paredes, R. 1999. Foraging behaviour and diet of the Guanay Cormorant. South African Journal of Marine Science 21: 251-258.
Further web sources of information
View photos and videos, and hear sounds of this species from the Internet Bird Collection
Text account compilers
Benstead, P., Calvert, R., Lascelles, B., Sharpe, C J
Engblom, G., Frere, E., Majluf, P., Roca, M.
IUCN Red List evaluators
Butchart, S., Symes, A.
BirdLife International (2013) Species factsheet: Phalacrocorax bougainvillii. Downloaded from http://www.birdlife.org on 09/12/2013. Recommended citation for factsheets for more than one species: BirdLife International (2013) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 09/12/2013.
This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.
To provide new information to update this factsheet or to correct any errors, please email BirdLife
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|Current IUCN Red List category||Near Threatened|
|Species name author||(Lesson, 1837)|
|Population size||mature individuals|
|Distribution size (breeding/resident)||79,500 km2|
|Links to further information|
|- Additional Information on this species|