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The Amazon river dolphin is the largest species of river dolphin, with many adult males reaching 185 kilograms (408 lb) in weight, and 2.5 metres (8.2 ft) in length. Adults acquire a pink color, more prominent, in males, giving it its nickname "pink river dolphin".
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 ...
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.
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 ...
Interesting Dolphin Facts While researchers are working to learn more about the dolphin they found, there are some interesting facts about current day dolphins that you may not know.
Amazon river dolphin. Along with the Orinoco, the Amazon is one of the main habitats of the boto, also known as the Amazon river dolphin (Inia geoffrensis). It is the largest species of river dolphin, and it can grow to lengths of up to 2.6 m (8.5 ft). The colour of its skin changes with age; young animals are gray, but become pink and then ...
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, and has now been adopted as the species' common name.
The newly identified dolphin species lived in a freshwater lake in the Peruvian Amazon 16 million years ago. And the creature measured about 11 feet (3.2 meters) long, making it twice the size of ...