Zoology
Dolphins are mammals. There are more than 40 species. The pup live in with mother for three years of its life. They are very intelligent animals with exceptional memory, they can learn over 200 characters of the sign language and they understand over 500 other characters. They live in groups and help each other with feeding or giving birth the pup.
They are very playful and hypersexual animals. They have a strong mind to diagnose a disease to human children. They are clairvoyant. They have a high sensitivity to the sounds and everything that moves in the water and therefore they can come to help to drowning people.