This species was endemic to Lake Atitlán, Guatemala, but is now Extinct. Its extinction occurred sometime between 1983 and 1986, caused by myriad alterations to its habitat.
AOU. 1998. Check-list of North American birds. American Ornithologists' Union, Washington, D.C.
Brooks, T. 2000. Extinct species. In: BirdLife International (ed.), Threatened birds of the world, pp. 701-708. Lynx Edicions and BirdLife International, Barcelona and Cambridge, U.K.
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.
The taxon has been considered a large and flight-impaired7 subspecies of Pied-billed Grebe Podilymbus podiceps2. Hybridisation between the two taxa may have been a factor in the final extinction of P. gigas3.
LaBastille, A. 1974. Ecology and Management of the Atitlán Grebe, Lake Atitlán, Guatemala. Wildlife Society, Unknown.
Hunter, L. A. 1988. Status of the endemic Atitlán Grebe of Guatemala: is it extinct? Condor 90: 906-912.
Livezey, B. C. 1989. Flightlessness in grebes (Aves: Podicipedidae): its independent evolution in three genera. Evolution 43: 29-53.
Collar, N. J.; Crosby, M. J.; Stattersfield, A. J. 1994. Birds to watch 2: the world list of threatened birds. BirdLife International, Cambridge, U.K.
Howell, S. N. G.; Webb, S. 1995. A guide to the birds of Mexico and northern Central America. Oxford University Press, Oxford.
LaBastille, A. 1984. Drastic decline in Guatemala's giant pied-billed grebe population. Environmental Conservation 11: 346-348.
LaBastille, A. 1990. WW Norton and Company, New York, USA.
Text account compilers
Brooks, T., Khwaja, N., Mahood, S.
IUCN Red List evaluators
Butchart, S., Symes, A.
BirdLife International (2013) Species factsheet: Podilymbus gigas. Downloaded from http://www.birdlife.org on 26/05/2013. Recommended citation for factsheets for more than one species: BirdLife International (2013) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 26/05/2013.
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.
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|Current IUCN Red List category||Extinct|
|Species name author||Griscom, 1929|
|Links to further information|
|- Additional Information on this species|