River Dolphins Quick Facts .
Adults are often pinkish.
However, I haven't written anything about them other than the short synopsis below, copied from Marine Mammals at a Glance . You can find some river dolphin links below. Often living in muddy water, they have tiny eyes. The franciscana and bouto live in South America, the others in Asia. Please note that you can now search for major mammal groups from the Geobop Home Page .