Conservationists found alarming levels of mercury poisoning in the Amazon river dolphins population due to illegal gold mining.
A dolphin living in fresh water is something very special, the excitement of this creature is even multiplied when they possess a pink body and extreme hunting.
Fossils of a new dolphin have revealed the process of dolphins moving from oceans into rivers.
The dolphin at the Singapore aquarium is pink due to a form of skin cancer, but it still performs in front of visitors.