there very heavy
You mean what ARE the special features of a pilot whale. You may also mean, "what are the special features of the pilot whale?" or "...of pilot whales?" Assuming you aren't asking for the special features of a specific whale. The special features of pilot whales include the ability to pilot, a special pilot's cap, and the ability to communicate via ESP. Or something similar.
what special features does a right whale have
no
They are a blue gray. They live a in the water and they are mammals!
they have two blowholes
The VERY SPECIAL whale from the elementary Elmo sing-along
The blue whale is a baleen whale.
Blue Whale
The blue whale. Technically the whale shark isn't acually a whale, but in fact the worlds largest fish (shark). The blue whale, also happens to be the largest animal (mammal) on the planet.The blue whale is nearly twice the size of the whale shark, to 90 feet or more.
The blue whale. It is the biggest animal on Earth.
A Blue Whale is a mammal
The biggest type of blue whale is the Alaskan blue whale .