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.
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.
Hunter, L. A. 1988. Status of the endemic Atitlán Grebe of Guatemala: is it extinct? Condor 90: 906-912.
LaBastille, A. 1974. Ecology and Management of the Atitlán Grebe, Lake Atitlán, Guatemala. Wildlife Society, Unknown.
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.
Livezey, B. C. 1989. Flightlessness in grebes (Aves: Podicipedidae): its independent evolution in three genera. Evolution 43: 29-53.
Text account compilers
Brooks, T., Khwaja, N., Mahood, S.
IUCN Red List evaluators
Butchart, S., Symes, A.
BirdLife International (2014) Species factsheet: Podilymbus gigas. Downloaded from http://www.birdlife.org on 19/04/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 19/04/2014.
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|