How big they are: From 5 to 32 feet (1.5 to 10 meters) long, depending on the species Dolphins live in almost every ocean, except most tend to avoid the cold waters in the Arctic and around Antarctica ...

One dolphin swam past, her nose oddly enlarged. On a closer look, the bulb was a marine sponge — wedged tightly onto her beak like a soft, fleshy glove. She was not playing. She was hunting. Off the ...