Dolphins are mammals found in the sea and are part of the toothed whale family. They are grey with backs that are darker than the rest of their bodies.
Baby dolphins, or calves, are born after gestation periods of up to 12 months in the mother's womb. Calves begin swimming in the mother's womb as early as 9 weeks into the pregnancy. When baby dolphins are born, they come out of the mother's womb tail first and immediat...
Dolphins are very smart and playful animals. Although they live in the water, dolphins are mammals just like humans and need air to breathe, which they do out of a blowhole on the top of their heads. In fact, dolphins can only stay underwater for 15 minutes at a time.
Dolphins are equipped with blowholes on the crowns of their heads through which they breathe air when they reach the surface of the water. They are capable of holding their breath for up to 10 minutes.
Sharks, killer whales and humans are the primary eaters of dolphins. Dolphins are near the top of the food chain and employ many defensive strategies, so they are not often eaten by predators.
One interesting fact about dolphins is that they use many unique ways to communicate with one another. They also use high-frequency clicking sounds to investigate their surroundings.
According to the National Marine Life Center, dolphins move by pushing their powerful tail flukes up and down in the water. This tail movement pushes water back and propels the dolphin forward. To steer through the water, dolphins use their pectoral fins and their dorsa...