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 ca... More » Pets & Animals Marine Life

Bottlenose dolphins are well-known stars of aquarium shows. Although they're typically shallow divers, they can dive down to 850 feet or so below the ocean's surface and they can also stay underwater for up to 15 minutes... More » Pets & Animals Mammals Marine Mammals

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 com... More » Pets & Animals Marine Life
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In spite of the bottlenose dolphin's gentle appearance, All About Wildlife explains that these animals are in fact apex predators. While great white sharks, tiger sharks and bull sharks occasionally prey on young dolphin... More » Pets & Animals Marine Life

Dolphins have great vision, although they can only see limited colors. They live in the water, but they do not drink from it. Instead, they get any necessary moisture from the food they eat. More » Pets & Animals Marine Life

Evolutionary biologists believe that dolphins emerged 20 to 25 million years ago during the early Miocene period. Modern species may trace to kentriodontids, which are small-toothed whales believed to have the echolocati... More » Pets & Animals Marine Life

Dolphins hear when the sounds in the water bounce off the dolphin's jaw bone into the middle ear. Dolphins can hear far better than humans and their hearing is even better than that of dogs. More » Pets & Animals Marine Life