Giant otter (English Wikipedia)

"Pteronura brasiliensis (giant otter)". Carnivores. Food and agricultural organization of the United Nations. Archived from the original on 27 November 2007. Retrieved 7 November 2007.

giantotterresearch.com

Carter & Rosas 1998, p. 4 Carter, S.K.; Rosas, F.C.W. (1998). "Biology and conservation of Giant Otter (Pteronura brasiliensis)" (PDF). Mammal Review. 27 (1): 1–26. doi:10.1111/j.1365-2907.1997.tb00370.x. Retrieved 6 November 2007.
Carter & Rosas 1998, p. 2 Carter, S.K.; Rosas, F.C.W. (1998). "Biology and conservation of Giant Otter (Pteronura brasiliensis)" (PDF). Mammal Review. 27 (1): 1–26. doi:10.1111/j.1365-2907.1997.tb00370.x. Retrieved 6 November 2007.
Carter & Rosas 1998, p. 15 Carter, S.K.; Rosas, F.C.W. (1998). "Biology and conservation of Giant Otter (Pteronura brasiliensis)" (PDF). Mammal Review. 27 (1): 1–26. doi:10.1111/j.1365-2907.1997.tb00370.x. Retrieved 6 November 2007.
Carter & Rosas 1998, p. 18 Carter, S.K.; Rosas, F.C.W. (1998). "Biology and conservation of Giant Otter (Pteronura brasiliensis)" (PDF). Mammal Review. 27 (1): 1–26. doi:10.1111/j.1365-2907.1997.tb00370.x. Retrieved 6 November 2007.
Carter & Rosas 1998, p. 16 Carter, S.K.; Rosas, F.C.W. (1998). "Biology and conservation of Giant Otter (Pteronura brasiliensis)" (PDF). Mammal Review. 27 (1): 1–26. doi:10.1111/j.1365-2907.1997.tb00370.x. Retrieved 6 November 2007.
Carter & Rosas 1998, p. 17 Carter, S.K.; Rosas, F.C.W. (1998). "Biology and conservation of Giant Otter (Pteronura brasiliensis)" (PDF). Mammal Review. 27 (1): 1–26. doi:10.1111/j.1365-2907.1997.tb00370.x. Retrieved 6 November 2007.
Duplaix, Nicole (2002). Guianas Rapid River Bio-assessments and Giant Otter Conservation Project (PDF) (Report). World Wildlife Fund.
Carter & Rosas 1998, p. 13 Carter, S.K.; Rosas, F.C.W. (1998). "Biology and conservation of Giant Otter (Pteronura brasiliensis)" (PDF). Mammal Review. 27 (1): 1–26. doi:10.1111/j.1365-2907.1997.tb00370.x. Retrieved 6 November 2007.
Ridgley, Heidi (Winter 2007). "The Wolf of the River" (PDF). Defenders Magazine. Defenders of Wildlife. Retrieved 9 November 2007.
Fonseca, Fabrizio R.D.; Malm, Olaf; Waldemarin, Helen F. (2005). "Mercury levels in tissues of Giant otters (Pteronura brasiliensis) from the Rio Negro, Pantanal, Brazil" (PDF). Environmental Research. 98 (3): 368–371. Bibcode:2005ER.....98..368D. doi:10.1016/j.envres.2004.11.008. PMID 15910792. Retrieved 9 November 2007.
Carter & Rosas 1998, p. 8 Carter, S.K.; Rosas, F.C.W. (1998). "Biology and conservation of Giant Otter (Pteronura brasiliensis)" (PDF). Mammal Review. 27 (1): 1–26. doi:10.1111/j.1365-2907.1997.tb00370.x. Retrieved 6 November 2007.
Duplaix, Nicole; Lingaard, Marchal; Sakimin, Claudine (2001). "A Survey of Kaburi Creek, West Suriname, and its Conservation Implications" (PDF). The Oceanic Society. Retrieved 22 January 2008.
(in Spanish) Velasco, Diana Marcela (2005). "Estudio preliminar sobre el estado de conservación de la nutria gigante (Pteronura brasiliensis) en la zona de influencia de Inírida (Bajo río Inírida) Guainía, Colombia" (PDF). Giant Otter Research. Retrieved on 2008-01-27.

gizmodo.com

earther.gizmodo.com

Noor, Dharna (25 May 2021). "Giant River Otter Believed to be Extinct Has Been Spotted in Argentina". Gizmodo. Retrieved 10 September 2023.

google.com

Wozencraft, W. C. (2005). "Order Carnivora". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 605. ISBN 978-0-8018-8221-0. OCLC 62265494.

handle.net

hdl.handle.net

Prevosti, Francisco J.; Ferrero, Brenda S. (2008). "A Pleistocene giant river otter from Argentina: remarks on the fossil record and phylogenetic analysis". Journal of Vertebrate Paleontology. 28 (4): 1171–1181. Bibcode:2008JVPal..28.1171P. doi:10.1671/0272-4634-28.4.1171. hdl:11336/80190.

harvard.edu

ui.adsabs.harvard.edu

Prevosti, Francisco J.; Ferrero, Brenda S. (2008). "A Pleistocene giant river otter from Argentina: remarks on the fossil record and phylogenetic analysis". Journal of Vertebrate Paleontology. 28 (4): 1171–1181. Bibcode:2008JVPal..28.1171P. doi:10.1671/0272-4634-28.4.1171. hdl:11336/80190.
Mumm, C. A. S.; Knörnschild, M. (12 November 2014). "The Vocal Repertoire of Adult and Neonate Giant Otters (Pteronura brasiliensis)". PLOS ONE. 9 (11): e112562. Bibcode:2014PLoSO...9k2562M. doi:10.1371/journal.pone.0112562. PMC 4229255. PMID 25391142.
Mumm, C. A.; Knörnschild, M. (2017). "Territorial choruses of giant otter groups (Pteronura brasiliensis) encode information on group identity". PLOS ONE. 12 (10): e0185733. Bibcode:2017PLoSO..1285733M. doi:10.1371/journal.pone.0185733. PMC 5638252. PMID 29023545.
Rosas, Fernando C.W.; Zuanon, Jansen A.S.; Carter, Sarah K. (September 1999). "Feeding Ecology of the Giant Otter, Pteronura brasiliensis". Biotropica. 31 (3): 502–506. Bibcode:1999Biotr..31..502R. doi:10.1111/j.1744-7429.1999.tb00393.x. S2CID 86658847.
Slotow, R.; Pimenta, N. C.; Antunes, A. P.; Barnett, A. A.; Macedo, V. W.; Shepard, G. H. (30 March 2018). "Differential resilience of Amazonian otters along the Rio Negro in the aftermath of the 20th century international fur trade". PLOS ONE. 13 (3): e0193984. Bibcode:2018PLoSO..1393984P. doi:10.1371/journal.pone.0193984. PMC 5877832. PMID 29601590.
Fonseca, Fabrizio R.D.; Malm, Olaf; Waldemarin, Helen F. (2005). "Mercury levels in tissues of Giant otters (Pteronura brasiliensis) from the Rio Negro, Pantanal, Brazil" (PDF). Environmental Research. 98 (3): 368–371. Bibcode:2005ER.....98..368D. doi:10.1016/j.envres.2004.11.008. PMID 15910792. Retrieved 9 November 2007.

iucn.org

Foster-Turley, Pat; Macdonald, Sheila; Mason, Chris, eds. (1990). "Otters: An Action Plan for their Conservation". IUCN/SSC Otter Specialist Group: Sections 2 and 12. Archived from the original on 5 January 2008. Retrieved 21 November 2007.

iucnosg.org

Ribas, Carolina; Mourão, Guilherme (January 2005). "Intraspecific Agonism between Giant Otter Groups". IUCN Otter Specialist Group Bulletin. 21 (2): 89–93. Retrieved 7 November 2007.

iucnredlist.org

Groenendijk, J.; Leuchtenberger, C.; Marmontel, M.; Van Damme, P.; Wallace, R.; Schenck, C. (2022) [amended version of 2021 assessment]. "Pteronura brasiliensis". IUCN Red List of Threatened Species. 2022: e.T18711A222719180. doi:10.2305/IUCN.UK.2022-2.RLTS.T18711A222719180.en. Retrieved 10 September 2023.

iwokrama.org

"Mammals of Iwokrama". iwokrama.org. Archived from the original on 6 April 2023. Retrieved 6 February 2023.
"Giant Otter, the "Water Dog"". Iwokrama International Centre for Rainforest Conservation and Development. Archived from the original on 17 October 2007. Retrieved 7 November 2007.

nationalgeographic.com

animals.nationalgeographic.com

"Giant river otter". National Geographic Society. 10 March 2011. Archived from the original on 12 January 2010. Retrieved 6 August 2016.

nature.org

"Giant Otter (Pteronura brasiliensis)". The Nature Conservancy. Archived from the original on 25 May 2009. Retrieved 25 January 2008.

nih.gov

pubmed.ncbi.nlm.nih.gov

Mumm, C. A. S.; Knörnschild, M. (12 November 2014). "The Vocal Repertoire of Adult and Neonate Giant Otters (Pteronura brasiliensis)". PLOS ONE. 9 (11): e112562. Bibcode:2014PLoSO...9k2562M. doi:10.1371/journal.pone.0112562. PMC 4229255. PMID 25391142.
Mumm, C. A.; Knörnschild, M. (2017). "Territorial choruses of giant otter groups (Pteronura brasiliensis) encode information on group identity". PLOS ONE. 12 (10): e0185733. Bibcode:2017PLoSO..1285733M. doi:10.1371/journal.pone.0185733. PMC 5638252. PMID 29023545.
Slotow, R.; Pimenta, N. C.; Antunes, A. P.; Barnett, A. A.; Macedo, V. W.; Shepard, G. H. (30 March 2018). "Differential resilience of Amazonian otters along the Rio Negro in the aftermath of the 20th century international fur trade". PLOS ONE. 13 (3): e0193984. Bibcode:2018PLoSO..1393984P. doi:10.1371/journal.pone.0193984. PMC 5877832. PMID 29601590.
Fonseca, Fabrizio R.D.; Malm, Olaf; Waldemarin, Helen F. (2005). "Mercury levels in tissues of Giant otters (Pteronura brasiliensis) from the Rio Negro, Pantanal, Brazil" (PDF). Environmental Research. 98 (3): 368–371. Bibcode:2005ER.....98..368D. doi:10.1016/j.envres.2004.11.008. PMID 15910792. Retrieved 9 November 2007.

ncbi.nlm.nih.gov

Mumm, C. A. S.; Knörnschild, M. (12 November 2014). "The Vocal Repertoire of Adult and Neonate Giant Otters (Pteronura brasiliensis)". PLOS ONE. 9 (11): e112562. Bibcode:2014PLoSO...9k2562M. doi:10.1371/journal.pone.0112562. PMC 4229255. PMID 25391142.
Mumm, C. A.; Knörnschild, M. (2017). "Territorial choruses of giant otter groups (Pteronura brasiliensis) encode information on group identity". PLOS ONE. 12 (10): e0185733. Bibcode:2017PLoSO..1285733M. doi:10.1371/journal.pone.0185733. PMC 5638252. PMID 29023545.
Slotow, R.; Pimenta, N. C.; Antunes, A. P.; Barnett, A. A.; Macedo, V. W.; Shepard, G. H. (30 March 2018). "Differential resilience of Amazonian otters along the Rio Negro in the aftermath of the 20th century international fur trade". PLOS ONE. 13 (3): e0193984. Bibcode:2018PLoSO..1393984P. doi:10.1371/journal.pone.0193984. PMC 5877832. PMID 29601590.

otter.org

"Giant Otter (Pteronura brasiliensis)". International Otter Survival Fund. Archived from the original on 11 October 2007. Retrieved 21 November 2007.

otterjoy.com

Wright, Lesley. "Threats to the Giant Otter". Otterjoy.com. Retrieved 25 January 2008.

otterspecialistgroup.org

Chehebar, C. (February 1991). "Searching for the Giant Otter in Northeastern Argentina". IUCN Otter Specialist Group Bulletin. 6 (1): 17–18. Retrieved 6 November 2007.
van Damme, Paul; Wallace, Rob; Swaenepoel, Karen; Painter, Lillian; Ten, Silvia; Taber, Andrew; et al. (October 2002). "Distribution and Population Status of the Giant Otter Pteronura brasiliensis in Bolivia". IUCN Otter Specialist Group Bulletin. 19 (2): 87–96. Retrieved 5 November 2007.
Evangelista, Emanuela (July 2004). "Change of Partners in a Giant Otter Alpha Couple". IUCN Otter Specialist Group Bulletin. 21 (1): 47–51. Retrieved 7 November 2007.
Rosas, F.C.W.; De Mattos, G.E. (October 2003). "Natural Deaths of Giant Otters (Pteronura brasiliensis) In Balbina Hydroelectric Lake, Amazonas, Brazil". IUCN Otter Specialist Group Bulletin. 20 (2): 62–64. Retrieved 7 November 2007.
Schenck, C.; Staib, E. (April 1992). "Giant Otters in Peru". IUCN Otter Specialist Group Bulletin. 7: 24–26. Retrieved 22 January 2008.
Schenck, Christof; Groenendijk, Jessica; Hajek, Frank (April 1999). "Giant Otter Project In Peru: Field Trip And Activity Report, 1998". IUCN Otter Specialist Group Bulletin. 16 (1): 33–43. Retrieved 22 January 2008.

panda.org

"Giant Otter". World Wildlife Fund. Archived from the original on 24 October 2007. Retrieved 19 January 2008.

philadelphiazoo.org

"Giant Otter". Meet Our Animals. Philadelphia Zoo. Archived from the original on 11 April 2013. Retrieved 6 November 2007.

premioreportagem.org.br

Ching, César (October 2006). "PER-I38: El mundo del agua temido y poco conocido". BioDiversity Reporting Award. Semanario Kanatari, Iquitos, Iquitos (in Spanish). Archived from the original on 10 February 2012. Retrieved 27 January 2008.

princeton.edu

Johnson, Dominic D.P.; MacDonald, David W.; Dickman, Amy J. (2000). "An analysis and review of the sociobiology of the Mustelidae" (PDF). Mammal Review. 30 (3&4): 171–196. doi:10.1046/j.1365-2907.2000.00066.x. Archived from the original (PDF) on 19 September 2006. Retrieved 7 November 2007. See figure three for home range size estimate.

ramsar.org

"WWF welcomes Latin America's largest freshwater protected area" (Press release). The Ramsar Convention on Wetlands. 18 September 2001. Archived from the original on 22 February 2008. Retrieved 27 January 2008.

rebeccashapley.com

Barnett, Adrian; Shapley, Rebecca; Lehman, Shawn; Henry, Everton; Benjamin, Paul (October 2000). "Records of the Giant Otter, Pteronura brasiliensis, from Guyana" (PDF). IUCN Otter Specialist Group Bulletin. 17 (2): 65–74. Retrieved 10 September 2023 – via rebeccashapley.com.

researchgate.net

Cartelle, Cástor; Hirooka, Suzana (September 2005). "Primeiro Registro Pleistocênico de Pteronura brasiliensis (Gmelin, 1788) (Carnivora, Mustelidae)". Research Gate. Arquivos do Museu Nacional, Rio de Janeiro Publishing. Retrieved 9 October 2018.

roundriver.org

"The Alto Purús Conservation Project". Round River Conservation Studies. Archived from the original on 10 January 2008. Retrieved 25 January 2008.

sciencenews.org

Zielinski, S. (1 May 2018). "How a social lifestyle helped drive a river otter species to near extinction". Science News. Retrieved 2 May 2018.

seaworld.org

"Otters: Physical characteristics". Anheuser-Busch Adventure Parks. Archived from the original on 2 November 2007. Retrieved 6 November 2007.
"Otters: A SeaWorld Education Department Publication" (PDF). Seaworld. 2005. Archived from the original (PDF) on 15 July 2008. Retrieved 23 January 2008.

semanticscholar.org

api.semanticscholar.org

See e.g., Duplaix 1980, p. 547 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Duplaix 1980, p. 511 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Duplaix 1980, p. 614 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Marmi, Josep; Lopez-Giraldez, Juan F.; Domingo-Roura, Xavier (November 2004). "Phylogeny, evolutionary history and taxonomy of the Mustelidae based on sequences of the cytochrome b gene and a complex repetitive flanking region". Zoologica Scripta. 33 (6): 481–499. doi:10.1111/j.0300-3256.2004.00165.x. S2CID 85818256.
Duplaix 1980 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Duplaix 1980, p. 533 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Duplaix 1980, p. 497 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Duplaix 1980, pp. 552–561 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Duplaix 1980, pp. 571–2 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Duplaix 1980, p. 563 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Duplaix 1980, p. 567 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Duplaix 1980, p. 576 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Duplaix 1980, pp. 564–5, 570 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Rosas, Fernando C.W.; Zuanon, Jansen A.S.; Carter, Sarah K. (September 1999). "Feeding Ecology of the Giant Otter, Pteronura brasiliensis". Biotropica. 31 (3): 502–506. Bibcode:1999Biotr..31..502R. doi:10.1111/j.1744-7429.1999.tb00393.x. S2CID 86658847.
Duplaix 1980, pp. 544–6 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Duplaix 1980, pp. 514–5 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Duplaix 1980, p. 69 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Duplaix 1980, pp. 523, 529 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Duplaix 1980, pp. 529–530 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Lontra longicaudis. In Duplaix 1980 it was listed as the Guiana Otter under the older binomial Lutra enudris. Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Duplaix 1980, pp. 527–9 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.
Duplaix 1980, pp. 522, 529 Duplaix, Nicole (1980). "Observations on the ecology and behavior of the giant river otter Pteronura brasiliensis in Suriname" (PDF). Revue d'Écologie (La Terre et la Vie). 34 (4): 495–620. doi:10.3406/revec.1980.4073. S2CID 140641854.

ufl.edu

plaza.ufl.edu

Utreras B., V.; Suárez R., E.; Zapata-Ríos, G.; Lasso, G.; Pinos, L. (July–December 2005). "Dry and Rainy Season Estimations of Giant Otter, Pteronura brasiliensis, Home-Range in the Yasuní National Park, Ecuador" (PDF). The Latin American Journal of Aquatic Mammals. 4 (2): 191–194. doi:10.5597/lajam00085. Retrieved 7 November 2007.

unesco-suriname.org

"Natural Heritage in Suriname". Suriname Natcom. UNESCO. Archived from the original on 7 March 2007. Retrieved 21 January 2007.

web.archive.org

"Giant river otter". National Geographic Society. 10 March 2011. Archived from the original on 12 January 2010. Retrieved 6 August 2016.
"Mammals of Iwokrama". iwokrama.org. Archived from the original on 6 April 2023. Retrieved 6 February 2023.
"Pteronura brasiliensis (giant otter)". Carnivores. Food and agricultural organization of the United Nations. Archived from the original on 27 November 2007. Retrieved 7 November 2007.
Foster-Turley, Pat; Macdonald, Sheila; Mason, Chris, eds. (1990). "Otters: An Action Plan for their Conservation". IUCN/SSC Otter Specialist Group: Sections 2 and 12. Archived from the original on 5 January 2008. Retrieved 21 November 2007.
"Giant Otter (Pteronura brasiliensis)". The Nature Conservancy. Archived from the original on 25 May 2009. Retrieved 25 January 2008.
"Giant Otter". Meet Our Animals. Philadelphia Zoo. Archived from the original on 11 April 2013. Retrieved 6 November 2007.
"Otters: Physical characteristics". Anheuser-Busch Adventure Parks. Archived from the original on 2 November 2007. Retrieved 6 November 2007.
"Giant Otter". World Wildlife Fund. Archived from the original on 24 October 2007. Retrieved 19 January 2008.
"Giant Otter, the "Water Dog"". Iwokrama International Centre for Rainforest Conservation and Development. Archived from the original on 17 October 2007. Retrieved 7 November 2007.
"Otters: A SeaWorld Education Department Publication" (PDF). Seaworld. 2005. Archived from the original (PDF) on 15 July 2008. Retrieved 23 January 2008.
Johnson, Dominic D.P.; MacDonald, David W.; Dickman, Amy J. (2000). "An analysis and review of the sociobiology of the Mustelidae" (PDF). Mammal Review. 30 (3&4): 171–196. doi:10.1046/j.1365-2907.2000.00066.x. Archived from the original (PDF) on 19 September 2006. Retrieved 7 November 2007. See figure three for home range size estimate.
"Giant Otters in Cantão". Instituto Araguaia. Archived from the original on 26 June 2017. Retrieved 10 March 2011.
"Giant Otter (Pteronura brasiliensis)". International Otter Survival Fund. Archived from the original on 11 October 2007. Retrieved 21 November 2007.
"Appendices I, II and III". Convention on International Trade in Endangered Species of Wild Fauna and Flora. Archived from the original on 29 December 2007. Retrieved 22 January 2008.
Gutleb, A.C.; Schenck, C.; Staib, E. (December 1997). "Giant otter (Pteronura brasiliensis) at risk? Total mercury and methylmercury levels in fish and otter scats, Peru". Ambio. 26 (8): 511–514. Archived from the original on 27 November 2007. Retrieved 9 November 2007.
"Natural Heritage in Suriname". Suriname Natcom. UNESCO. Archived from the original on 7 March 2007. Retrieved 21 January 2007.
"The Alto Purús Conservation Project". Round River Conservation Studies. Archived from the original on 10 January 2008. Retrieved 25 January 2008.
"WWF welcomes Latin America's largest freshwater protected area" (Press release). The Ramsar Convention on Wetlands. 18 September 2001. Archived from the original on 22 February 2008. Retrieved 27 January 2008.
Ching, César (October 2006). "PER-I38: El mundo del agua temido y poco conocido". BioDiversity Reporting Award. Semanario Kanatari, Iquitos, Iquitos (in Spanish). Archived from the original on 10 February 2012. Retrieved 27 January 2008.

worldcat.org

Wozencraft, W. C. (2005). "Order Carnivora". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 605. ISBN 978-0-8018-8221-0. OCLC 62265494.