A pink and grey river dolphin found in the Amazon and Orinoco River systems.
Inia geoffrensis, family Platanistidae
Also called Amazon dolphin
Example sentencesExamples
-  The Amazon and the boto grew up together, at the beginning of the world.
 -  They say the boto can turn into a person, that it shows up at fiestas to seduce men and women.
 -  But this feature also makes the botos far more difficult to spot.
 -  Another boto rose nearby - possibly the same dolphin, possibly a companion.
 -  Bacher also spoke of local legends about the pink dolphins that raced along with the boat, botos as the natives called them.