Like the Killer Whale, the Pilot Whale is more closely related to the dolphins than to other kinds of whales. But Pilot Whales don’t entirely resemble their Killer Whale cousins. They are slightly smaller, seldom growing longer than 21 feet (6.5 meters) or weighing more than 4 tons (4,064 kilograms). A Pilot Whale has a more bulbous head and thicker tail than does a Killer, and a Pilot lacks the Killer’s distinctive white markings on its body. Scientists have identified two different kinds of Pilot Whales, which have different flipper lengths and numbers of teeth.
