Scientists are perplexed by a strange new behaviour shown by the Amazon river dolphin of flipping belly-up to urinate with ...

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 ...

The new species, named Salmoneus manningi, is “overall whitish” with “ivory white” asymmetrical claws, researchers described.