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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
ambergris
there very heavy
the sperm whale is the largest toothed whale.
Sperm Whale.
A whale sperm is a whale's sperm, obviously.
Sperm whale, specifically the spermacetti of the Sperm Whale.
they have long tails for swimming and heads to get into the ovum
they have long tails for swimming and heads to get into the ovum
Sperm whale
No, a Sperm whale is not a kind of dolphin.