New research shows that Amazon River dolphins (Inia geoffrensis) are facing significant risks due to fishing, dams and dredging practices. Using satellites, cetacean experts were able to track ...

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.

An Amazon river dolphin, also called a boto, pauses for an underwater portrait in Brazil. Photograph by Flip Nicklin, Minden Pictures, Nat Geo Image Collection. Please be respectful of copyright.

More than a hundred dolphins have been found dead in the Brazilian Amazon amid an historic drought and record-high water temperatures that in places have exceeded 102 degrees Fahrenheit.

There are two types of freshwater dolphins found throughout the Amazon: the Amazon River dolphin – or “pink dolphins” due to their color – and the smaller tucuxi, Trujillo said.

In the murky waters of the Amazon, pink river dolphins exhibit a surprising behavior. Jets of urine sprayed into the air may play a key role in their social interactions. These cetaceans, known as ...

Trujillo, 55, has studied Amazon river dolphins since he was a college student in the 1980s. In 1993, he co-founded the Omacha Foundation, which focuses on conserving animals and ecosystems.

The carcasses of at least 125 Amazon river dolphins have been found floating or beached after temperatures in Lake Tefé, Brazil, reached a staggering 39.1 degrees Celsius. By Ana Ionova and Livia ...

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 ...

More information: Michel André, Towards automated long-term acoustic monitoring of endangered river dolphins: a case study in the Brazilian Amazon floodplains, Scientific Reports (2023). DOI: 10. ...

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 ...