WASHINGTON (Reuters) – Cetaceans — whales and dolphins — are among the brainiest of beings. In terms of sheer brain size, the sperm whale is tops on Earth, with a brain six times larger than that of a person.
WASHINGTON (Reuters) – Cetaceans — whales and dolphins — are among the brainiest of beings. In terms of sheer brain size, the sperm whale is tops on Earth, with a brain six times larger than that of a person.