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The [[Araguaian river dolphin]] (''I. araguaiaensis'') is a newly identified species native to the [[Araguaia River|Araguaia]]-[[Tocantins River|Tocantins]] basin of [[Brazil]].<ref name="Hrbek2014">{{Cite journal | last1 = Hrbek | first1 = Tomas| last2 = Da Silva | first2 = Vera Maria Ferreira| last3 = Dutra | first3 = Nicole| last4 = Gravena | first4 = Waleska| last5 = Martin | first5 = Anthony R.| last6 = Farias | first6 = Izeni Pires| editor1-last = Turvey | editor1-first = Samuel T.| title = A New Species of River Dolphin from Brazil or: How Little Do We Know Our Biodiversity| url = http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0083623| doi = 10.1371/journal.pone.0083623 | journal = [[PLOS ONE]] | volume = 9 | pages = e83623 | date = 2014-01-22| pmid = 24465386| pmc = 3898917}}</ref>
The [[Araguaian river dolphin]] (''I. araguaiaensis'') is a newly identified species native to the [[Araguaia River|Araguaia]]-[[Tocantins River|Tocantins]] basin of [[Brazil]].<ref name="Hrbek2014">{{Cite journal | last1 = Hrbek | first1 = Tomas| last2 = Da Silva | first2 = Vera Maria Ferreira| last3 = Dutra | first3 = Nicole| last4 = Gravena | first4 = Waleska| last5 = Martin | first5 = Anthony R.| last6 = Farias | first6 = Izeni Pires| editor1-last = Turvey | editor1-first = Samuel T.| title = A New Species of River Dolphin from Brazil or: How Little Do We Know Our Biodiversity| url = http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0083623| doi = 10.1371/journal.pone.0083623 | journal = [[PLOS ONE]] | volume = 9 | pages = e83623 | date = 2014-01-22| pmid = 24465386| pmc = 3898917}}</ref>


The [[La Plata dolphin]] (''Pontoporia blainvillei''), another vulnerable Brazilian denizen, is a [[Marine (ocean)|marine]] river dolphin that ranges from [[Espírito Santo]], Brazil, to the south.<ref name="iucn Pontoporia blainvillei">{{IUCN2012.2|assessor=Reeves, R.|assessor2=Dalebout, M.|assessor3=Jefferson, T.A.|assessor4=Karkzmarski, L.|assessor5=Laidre, K.|assessor6=O’Corry-Crowe, G.|assessor7=Rojas-Bracho, L.|assessor8=Secchi, E.|assessor9=Slooten, E.|assessor10=Smith, B.D.|display-assessors=etal|year=2012|id=17978|title=Pontoporia blainvillei|downloaded=18 January 2013}} Database entry includes a brief justification of why this species is of vulnerable.</ref>
The [[La Plata dolphin]] (''Pontoporia blainvillei''), another vulnerable Brazilian denizen, is a [[Marine (ocean)|marine]] river dolphin that ranges from [[Espírito Santo]], Brazil, to the south.<ref name="iucn Pontoporia blainvillei">{{cite iucn|author=Reeves, R.|author2=Dalebout, M.|author3=Jefferson, T.A.|author4=Karkzmarski, L.|author5=Laidre, K.|author6=O’Corry-Crowe, G.|author7=Rojas-Bracho, L.|author8=Secchi, E.|author9=Slooten, E.|author10=Smith, B.D.|display-authors=etal|year=2012|url=https://www.iucnredlist.org/details/17978/0|title=''Pontoporia blainvillei''|access-date=18 January 2013|ref=harv}} Database entry includes a brief justification of why this species is of vulnerable.</ref>


*Suborder [[Odontoceti]]
*Suborder [[Odontoceti]]

Revision as of 14:45, 26 December 2019

For the village, see Boto, Burkina Faso.
An Amazon river dolphin

Boto is a Portuguese name given to several types of dolphins and river dolphins native to the Amazon and the Orinoco River tributaries. A few botos exist exclusively in fresh water, and these are often considered primitive dolphins.

Classification

The botos are a paraphyletic group, defined largely by their evolutionary convergences.

The genus Sotalia is divided into two species. The costero (S. guianensis) is distributed in the Atlantic, from Florianópolis in Santa Catarina, Brazil, and northwards. The tucuxi (S. fluviatilis) lives in the rivers of the Amazon.

Burmeister's porpoise is marine and lives from Santa Catarina to the south.

The Amazon river dolphin (Inia geoffrensis) thrives in fresh water, is endemic to the Amazon basin, and is placed in the Endangered category of the IUCN.[1]

The Araguaian river dolphin (I. araguaiaensis) is a newly identified species native to the Araguaia-Tocantins basin of Brazil.[2]

The La Plata dolphin (Pontoporia blainvillei), another vulnerable Brazilian denizen, is a marine river dolphin that ranges from Espírito Santo, Brazil, to the south.[3]

References

  1. ^ Reeves, R.R.; Jefferson, T.A.; Karczmarski, L.; Laidre, K.; O’Corry-Crowe, G.; Rojas-Bracho, L.; Secchi, E.R.; Slooten, E.; Smith, B.D.; Wang, J.Y.; Zhou, K. (2011). "Inia geoffrensis". IUCN Red List of Threatened Species. 2011: e.T10831A3220342. doi:10.2305/IUCN.UK.2011-1.RLTS.T10831A3220342.en. {{cite journal}}: Unknown parameter |last-author-amp= ignored (|name-list-style= suggested) (help) Database entry includes a lengthy justification of why this species is data-deficient.
  2. ^ Hrbek, Tomas; Da Silva, Vera Maria Ferreira; Dutra, Nicole; Gravena, Waleska; Martin, Anthony R.; Farias, Izeni Pires (2014-01-22). Turvey, Samuel T. (ed.). "A New Species of River Dolphin from Brazil or: How Little Do We Know Our Biodiversity". PLOS ONE. 9: e83623. doi:10.1371/journal.pone.0083623. PMC 3898917. PMID 24465386.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  3. ^ Reeves, R.; Dalebout, M.; Jefferson, T.A.; Karkzmarski, L.; Laidre, K.; O’Corry-Crowe, G.; Rojas-Bracho, L.; Secchi, E.; Slooten, E.; Smith, B.D.; et al. (2012). "Pontoporia blainvillei". IUCN Red List of Threatened Species. 2012. Retrieved 18 January 2013. {{cite journal}}: Invalid |ref=harv (help) Database entry includes a brief justification of why this species is of vulnerable.
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