This, in conjunction with large pectoral fins, gives them very good maneuverability to swim through the flooded forest searching for their prey. Amazon pink river dolphins live in freshwater areas including lakes, enormous rivers and small tributaries. The pink river dolphin is often seen alone or in small groups of 2-4 individuals. This may be why the Amazon river dolphin produces less powerful clicks compared to other similar sized toothed whales. [4][6] The diet is more diverse during the wet season, when fish are spread in flooded areas outside riverbeds, thus becoming more difficult to catch. Amazon Rainforest Pink Dolphin Facts . [27] This in turn allow these animals to have a high acoustic update rate on their surroundings which may aid prey tracking when echolocating in shallow rivers and flooded forests with plenty of hiding places for the prey. [17], The texture of the body is robust and strong but flexible. It is very curious and has a remarkable lack of fear of foreign objects. In more detail, Manaus and the Upper Amazon River (for example Tabatinga) are great locations. It has very evident sexual dimorphism, with males measuring and weighing between 16% and 55% more than females, making it unique among cetaceans, where females are generally larger than males. The interval between births is estimated between 15 and 36 months, and the young dolphins are thought to become independent within two to three years. They can grow up to lengths of more than 2.5 metres. How to use pink river dolphin in a sentence. So, what actually is a Pink Dolphin? As the Amazon is fed by large stretches of rain forrest, every year it floods its banks for extended periods of time. The pectoral fins are large and paddle-shaped. They mainly eat catfish, which are bottom feeders greatly affected by metals like mercury in the water. The Bolivian river dolphin (I. boliviensis), native to a few remote streams in the Bolivian Amazon, is slightly smaller than the Amazon river dolphin, and its skin is coloured grayish pink. Dolphins most often have only one baby at a time. Pink Amazon River Dolphin Facts. Myths say that whoever kills the amazon dolphin will have bad luck, but it's worse for whoever eats it. The pink river dolphin is known by dozens of names, including the boto, Amazon River dolphin, pink porpoise and wee quacker. In studies conducted during the rainy season, the density observed in the flood plain was 18 animals per square km, while on the banks of rivers and lakes ranged from 1.8 to 5.8 individuals per square km. Also known as the ‘Pink River Dolphin’ or the ‘Boto’, they are not to be confused with the marine pink dolphins. The Amazon pink dolphin is actually named the Amazon river dolphin or the pink river dolphin. [21], The Amazon river dolphin are commonly seen singly or in twos, but may also occur in pods that rarely contain more than eight individuals. Toothed whales generally do not produce a new echolocation click until all relevant echoes from the previous click have been received,[28] so if detectable echoes are only reflected back from nearby objects, the echoes will quickly return, and the Amazon river dolphin is then able to click at a high rate. The longest distance in one day was 120 kilometres (75 mi), with an average of 14.5 kilometres (9.0 mi). “So this is about 140 kilometers upriver, on the main stem of the Amazon in a side tributary. Aug 26, 2019 - Explore Catitude🐾's board "Pink river dolphins" on Pinterest. There are over 80 species of cetaceans, a group made up of whales, dolphins and porpoises. No need to register, buy now! [18][49], In 2018, the species was listed on the Red list of endangered species. 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