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Among the five species of river dolphins, the pink dolphins are considered the most intelligent, with the brain capacity being 40% bigger than that of humans. The pink dolphins are known to prey upon the piranhas, the legendary terror of the Amazon.
18 Ιουν 2012 · Unlike these natural and normal pink dolphin, albino dolphins are wonderful, but unnaturally pink. Their color comes from the inability of their organism to create melanin , the pigment that gives color to the skin.
The Amazon river dolphin, also known as the pink river dolphin or boto, lives only in freshwater. It is found throughout much of the Amazon and Orinoco river basins in Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela.
27 Μαΐ 2024 · The Amazon pink river dolphin is the biggest and smartest animal of the freshwater dolphin species. The Amazon river dolphin (also known as the pink dolphin and botos) is a freshwater animal and a species of toothed whale. It lives in the Amazon, Orinoco and Araguaian river rivers located in Bolivia, Columbia, Ecuador, Brazil, Venezuela, and Peru.
9 Σεπ 2015 · First spotted in 2007 in the Calcasieu River (map) by charter boat captain Erik Rue, Pinky is likely an albino, says Greg Barsh, a scientist who studies the genetics of color variation at the...
The Amazon river dolphin is the largest species of river dolphin, with 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".
Because direct predation is rarely observed, researchers instead examine dolphins in situ for past injuries that can be attributed to sharks. We analyzed existing photo-ID catalogs of common bottlenose (Tursiops truncatus) and Atlantic spotted dolphins (Stenella frontalis) off Bimini, The Bahamas.
