Into this seasonal sea, which remains for half the year, swims the Amazon river dolphin, or boto. Botos have the characteristic dolphin smile and, unlike their marine cousins, bulbous foreheads ...

The newly resurfaced footage, originally captured in March 2016, shows an Amazon river dolphin, also known as botos, urinating into the air in Brazil’s Tocantins River. In the video, the dolphin ...

After around 219 hours of observations, they can confirm that male Amazon river dolphins (Inia geoffrensis), also known as botos, often roll onto their backs and urinate over three feet into the air.

Scientists Wednesday announced the discovery of the 16-million-year-old remains of the largest river dolphin ever found on Earth. A skull of the long-extinct creature was uncovered in the Amazon ...

It doesn't help their fortunes that the Indus River dolphin is not cute. They don't leap out of ... They aren't even pink, like Amazon river dolphins. No. The Indus River dolphin is drab.

Male Amazon river dolphins have been documented rolling upside down and firing a stream of urine into the air. As if that isn’t bizarre enough, other males will usually seek out the urine as it ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet ...

Low river levels during the drought heated the water to temperatures that were intolerable for the dolphins, researchers say. Thousands of fish also died on Amazon rivers due to a lack of oxygen ...