Amazon River Dolphins Are Pink. The Reason Is Stranger Than You Think.
The first time most people see a boto in the wild, their reaction is disbelief. The animal surfacing in the brown water of the Amazon or Orinoco river system is unmistakably pink. Not pale pink. In older males, a vivid, almost shocking pink that looks less like a natural coloration and more like something that has been dyed. The local name in Brazil is boto cor-de-rosa. Pink dolphin. The color…















