Most dolphins swim in large pods. A dolphins pod has 2 to 12 dolphins. Appearance Dolphins come in different sizes and colors. The most common dolphin colors are black, white, light gray, and blue gray. All dolphins have one or more of these colors on their bodies.
Dolphins are usually black above and white underneath.
A few dolphin species also have yellow, tan, and pink. Some dolphins have spots or stripes. A dolphin's face muscles are below a thick layer of blubber. The jaw bones, blubber, and skin make a dolphin's face. Even when it is afraid or angry, a dolphin looks like it is smiling.