Dolphins are marine mammals and are a part of the cetacean species which also includes whales and porpoises.
Dolphins can vary greatly in terms of their size and can range from 4 ft. (Maui’s dolphin) to 30 feet (the killer whale) in length and weigh anywhere from less than 100 pounds to as much as 22, 000 pounds.
Currently there are about 40 known species of dolphin in existence today, however some of the earliest known species of dolphin can be traced back as far as 10 million years.
Dolphins are known for being extremely intelligent and playful animals.
They are also known to be some of the most agile and athletic species known to inhabit the ocean.
In fact some species of dolphin have been known to swim as deep as 1000 ft, jump as high as 30 feet out of the water and travel as fast as 25 miles per ho