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.

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 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.

Thurman Gustin has been fishing along a river in Cameron Parish, Louisiana, for more than 20 years. Last week, he came across something he's never seen before – two rare, pink dolphins.

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.

A new study observed Amazon river dolphins for 218.9 hours and saw males spurt urine into the air 36 times—proof that the behavior is more common than we thought. Amazon river dolphins swim in ...