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

Scientists perplexed by strange urination routine of Amazon river dolphin - Mysterious behaviour may be form of communication ...

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 ...