The Plight of the Pink River Dolphin is a short documentary investigating the illegal exploitation of endangered pink river ...

The weird way dolphins are peeing in the Amazon River is baffling scientists - Mysterious behaviour may be form of ...

Scientists studying Amazon river dolphins in Brazil have observed males spraying urine into the air, a ritual for communication.

Dolphins have pulled off some bizarre stunts, but this one is something else. Picture this: a male Amazon river dolphin swims ...

Specifically, the male dolphins rolled over onto their backs, displayed their male members, and launched a stream of urine as high as 3 feet into the air. This usually occurred when other males were ...

Araújo-Wang told New Scientist: “On the first occasion, we saw a male flip his belly up out of the water, expose his penis ...