Scientists suggest that the bristles on the dolphins' snouts help them 'decode' messages in other dolphins' urine.

Scientists are perplexed by a strange new behaviour shown by the Amazon river dolphin of flipping belly-up to urinate with another male “actively” seeking the stream with its snout. At such a critical ...

Researchers say they have made a startling discovery in the Amazon River. But their evidence wasn’t collected from the water—it could be seen from shore. After around 219 hours of observations ...

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