| dolphin be | 3.42 | The dolphins are overworked. | ||
| dolphin have | 0.72 | Dolphins may even have dialects. | ||
| dolphin swim | 0.53 | In the eastern Pacific, dolphins swim with tuna. | ||
| dolphin use | 0.53 | Q. How do dolphins use sound to communicate? | ||
| dolphin appear | 0.33 | Dolphins appeared. | ||
| dolphin leap | 0.33 | Dolphins may even leap from the water. | ||
| dolphin die | 0.26 | Four other dolphins have died. | ||
| dolphin do | 0.26 | Dolphins do a sort of petting. | ||
| dolphin follow | 0.26 | For reasons not fully understood, the dolphins follow schools of adult tuna. | ||
| dolphin recognize | 0.26 | Q. Recently, it was reported that dolphins can recognize their image in the mirror. |