Swimming with the piranhas and anacondas below the surface of the Amazon River in Bolivia is a rare species: pink, freshwater dolphins. These animals, locally known as "bufeos," are an indicator ...

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.

Male Amazon river dolphins pee into the air, confusing scientists Researchers finally confirmed the unique behavior, but no one is quite sure why they do it. Andrew Paul Jan 31, 2025 12:50 PM EST ...

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.

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 ...

Researchers discovered the dolphin's remains in the Peruvian Amazon area and say it measured between 10 feet to 11.5 feet in length with a long, toothy snout for catching and eating prey.

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.

"It's clear that the Amazon river dolphin is facing increasing threats from humans," Campbell said. "Fishing can deplete populations of the dolphins' prey, and dolphins are also at risk from ...

In fact, all extant river dolphin species are endangered or critically endangered, the IUCN says. Researchers discovered the Amazonian dolphin fossil in 2018, near the Napo River in Loreto, Peru.

Around 16 million years ago, a dolphin giant cruised the depths of its watery domain. But unlike most modern dolphins, its home wasn’t an ocean; it lived in a freshwater lake in the Peruvian Amazon.