Scientists working in the Araguaia River basin of Brazil have discovered the first new river dolphin species in almost 100 years. Critically endangered, there may be only 1,000 of them left. River ...

“It was something that was very unexpected,” coauthor Tomas Hrbek told BBC News. “It is an area where people see them all the time. They are a large mammal. The thing is nobody really looked. It is ...

SAO PAULO (AP) — Scientists have made the first discovery in 100 years of a new river dolphin species in the waters of the Araguaia river in Brazil’s vast Amazon rainforest. The discovery of the “Inia ...