the pink dolphins are very extrodinary creatures. they communicate by making a very unique noise by banging their hevy head on a rock or some hard ground.
Some scientists say that it might be because of an excessive amount of iron or other chemicals in the waters of the Amazon. Second Answerer says: Pink dolphins have blood-carrying capillaries near...
The Pink River Dolphins of the Amazon River in South America are pink-colored because they have a lot of blood vessels near the surface of their skin, so that they can better control their body...