Dolphins are animals perfectly adapted to the aquatic life with adaptations product of million of years of evolution but still preserving a set of features of their life on land.
The overall anatomy of dolphins is designed well by evolution to survive in the water. While each species has its individual characteristics, they all share some unique features.
Adult bottlenose dolphins range from two to four meters or six to thirteen feet.
Dolphins hear through a sophisticated hearing sense which is located in small ear openings on both sides of the head