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.
There are many studies out there that compare the size of brains from one living thing to the next.
Wild Bottlenose Dolphin Close-up.
Secrets of Dolphin Swimming. Researchers want to discover the reasons that make dolphins excellent swimmers.