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Male Amazon river dolphins are either solid pink or mottled grey/pink. The Amazon river dolphin is the largest river dolphin. Adult males reach a maximum length and weight of 2.55 metres (8.4 ft) (average 2.32 metres (7.6 ft)) and 185 kilograms (408 lb) (average 154 kilograms (340 lb)), while females reach a length and weight of 2.15 metres (7. ...
River dolphins are rather small, ranging in size from the 5-foot (1.5 m) long South Asian river dolphin to the 8-foot (2.4 m) and 220-pound (100 kg) Amazon river dolphin. They all have female-biased sexual dimorphism apart from Amazon river dolphin, with the females being larger than the males.
There are some incredible animals that roamed the earth and its oceans millions of years ago, and an ancient freshwater dolphin species was just discovered in the Peruvian Amazon.
The tucuxi (Sotalia fluviatilis), alternatively known in Peru bufeo gris or bufeo negro, is a species of freshwater dolphin found in the rivers of the Amazon basin.The word tucuxi is derived from the Tupi language word tuchuchi-ana, [citation needed] and has now been adopted as the species' common name.
The Amazon river dolphins, many of a striking pink color, are a unique freshwater species found only in the rivers of South America and are one of a handful of freshwater dolphin species left in ...
Bones from an Amazon pink river dolphin are embedded in dried mud along the banks of Lake Tefé in Tefe, Brazil, on Oct. 31, 2023. More than 200 river dolphins died in the 2023 drought that sent ...
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.
As of 2016 the Committee on Taxonomy of the Society for Marine Mammalogy considers the genus Inia to contain one species with only two subspecies: the Bolivian (I. g. boliviensis) and the Amazon (I. g. geoffrensis) subspecies. [5]