A team of paleontologists found a giant fossilized skull along the shore of the Napo River in the Peruvian Amazon. To their surprise, the relic belonged to a newly described species of giant ...

Also called the boto, the Amazon river dolphin sometimes comes in pink—at least the males do. Their pink skin is a result of scarring.

Venturing deep into the complex waterways of the Amazon, Colombian marine biologist Fernando Trujillo first set out to study the mysterious pink river dolphin in 1987, at the directive of the late ...

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.

In the same week that Amazon Day is commemorated, the Mamiraua Institute and WWF are publicising the preliminary results of an expedition undertaken to register the distribution of Amazon River ...

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.

An Amazon river dolphin (Inia geoffrensis) at the mouth of the Aguarico and Cocaya rivers in the Cuyabeno Wildlife Reserve in the Ecuadorian Amazon. Image courtesy of Michelle Vela/WWF Ecuador.

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 ...

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.