The river has flooded the rain forest, luring freshwater dolphins ... At up to 450 pounds and eight feet in length, the Amazon dolphin, or boto, is the largest of the four known species of river ...

The Amazon and Orinoco river basins still are home to a species known as the Amazon river dolphin, also called the pink river dolphin or boto.

Sea Shepherd is launching a new conservation research campaign in Brazil to protect the dolphins of the Amazon River. The scientific expedition, known as Boto Da Amazônia (Amazon River Dolphin ...