river dolphin

According to a newly released study published in Plosone.org, scientists have discovered a new species of river dolphin living in Brazil’s Araguaia (means: river of red macaws” in the local Tupi language) river basin. The last time a new species of River Dolphin was discovered was during World War I. This study reports that the newly discovered Araguaia river dolphins diverged from the Amazon river dolphin 2 million years ago when these Araguaia dolphins became separated from the Amazon basin. The Araguaia river dolphin likely only numbers around 1,000 individuals […]