The Amazon river dolphin (Inia geoffrensis) is a species of toothed whale. It is the largest species of river dolphin, and it has one of the widest-ranging diets among toothed whales. The Amazon river dolphin has been treated with suspicion by local...
The Bolivian river dolphin (Inia boliviensis) is one of four freshwater river dolphin species in South America. Locally known as bufeo, the Bolivian river dolphin was briefly thought to be a subspecies (as I. geoffrensis boliviensis) of the...
The Araguaian river dolphin (Inia araguaiaensis) is a recently discovered species of river dolphin from South America. It is closely related to the Amazon river dolphin and was originally distinguished from the latter in January 2014.