Amazon river dolphin risks extinction if Brazil moratorium not renewed by Peter Yeung on 16 June 2020 The Amazon river dolphin (also known as the pink river dolphin, or boto) is the largest of the world’s freshwater dolphins. The Amazon river dolphin, known for its pink color, is a critically endangered species of freshwater dolphin. Separate findings by da Silva published in 2018 revealed that the Amazon river dolphin population in Brazil is halving every decade. The discovery may ultimately help scientists understand how communication evolved among marine mammals. Pink river dolphins only live in freshwater, more precisely in the Amazon and Orinoco river basin in Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela. It is a relatively abundant freshwater cetacean with an estimated population in the tens of thousands.

It is found throughout much of the Amazon and Orinoco river basins in Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela. Araguaia river dolphin, Inia araguaiaensis – Recently discovered in the river basin in Brazil after which it is named. We report the discovery of a new species of a river dolphin from the Araguaia River basin of Brazil, the first such discovery in nearly 100 years.

A new study from the University of Vermont has revealed that the mysterious Araguaian river dolphin of Brazil, once thought to live a solitary life, can actually communicate using hundreds of different sounds. TEFÉ, Amazonas state, Brazil — A pair of pink Amazon river dolphins emerges for just a moment, arcing above the chocolate brown waters inside the Mamirauá Institute for Sustainable Development, a research facility at the tropical heart of the Brazilian Amazon. TEFÉ, Amazonas state, Brazil — A pair of pink Amazon river dolphins … Two pink Amazon river dolphins swim side-by-side. Pink dolphins Brazil (Amazon river dolphin) Image by Fernando Trujillo / Omacha. The franciscana is also known as the La Plata dolphin; this dolphin is grouped with the river dolphins, but they live in large estuaries and shallow coastal waters of Argentina, Uruguay and southern Brazil. Out of the water they're pale gray, with some marked in pink.
pair of pink Amazon river dolphins emerges for just a moment, arcing above the chocolate brown waters inside the Mamirauá Institute for Sustainable Development, a research facility at the tropical heart of the Brazilian Amazon. Image in … Discovered to be a unique species just five years ago, the Araguaian river dolphin of Brazil is a fascinating, yet poorly understood, aquatic creature. Powerful jets of water spray out of their blowholes as these freshwater mammals take in air before submerging. True river dolphins are some of the rarest and most endangered of all vertebrates. South American river dolphins (three species) Amazon river dolphin (or Boto), Inia geoffrensis – Largest of river dolphins, lives in Peru and Brazil. River dolphins are incredibly rare. Out of the five species, three are on the critically endangered Red List, and the scientists believe the Araguaia dolphins (skulls pictured) should join them. The rare Araguaian river dolphin is a mysterious creature, native to Brazil, that researchers have long thought to be solitary. The Amazon river dolphin, also known as the pink river dolphin or boto, lives only in freshwater. It lives in the Amazon and Orinoco river systems. A major threat to river dolphins in Brazil is habitat loss and fragmentation as a result of the construction of hydroelectric dams.

River dolphins navigating the Amazon Basin's tea-colored brew of silt and rotting vegetation seem to glow orange. An Amazon river dolphin as depicted in the scientific text, Brehm’s Animal Life, circa 1860s when the animals were still plentiful throughout their range.
The following three countries are the most popular ones to see them. They comprise relict evolutionary lineages of high taxonomic distinctness and conservation value, but are afforded little protection.