There are 37 species of dolphins, including this estuarine dolphin.
Dolphins can live up to 50 years, but typically live for around 17 years
A dolphin can use its tail to flip around and gain speed up to 25 mph!
Dolphins emit a variety of sounds to communicate with other dolphins. Like other toothed whales, they use echolocation to avoid obstacles and to locate prey
Dolphins, like other mammals, breathe oxygen from the air, but can remain under water for up to an hour.
Dolphins feed on everything from fish to squid to crabs.
Scientists think that dolphins sleep with one side of the brain resting at a time. The side that is awake controls the dolphin’s breathing. Resting one side of the brain at a time makes it possible to sleep underwater
Pregnancy lasts about a year for female dolphins. Usually only one dolphin pup is born and the pup suckles for up to two years.
Dolphins swallow fish whole, despite the 100 teeth in their mouths. The teeth are used to grasp prey.
Most kinds of dolphins can somersault, or flip head over tail.
Bottle-nosed dolphins belong to the same family as killer whales and pilot whales.