His account of the common dolphin, written nearly 2500 years ago, is so thorough that little can be added to it even today.

The Short-beaked common dolphin has a gestation period of 10 to 11 months.

Captured common dolphins are said to be difficult to keep in captivity.

In the water, a super-pod of 5,000 common dolphins also hunts down the sardines.

The common dolphin travels in schools of up to a thousand or more individuals.

A total of 65 common dolphins have been beached on Cornish shores so far in 1992, three times the normal annual figure.

Long-beaked common dolphins can live in aggregations of hundreds or even thousands.

The long-beaked common dolphin can live up to 40 years.

These common bottled-nosed dolphins off the Florida coast are anything but common.

The Mariestopes, you might say, is built in the image of the common dolphin.