Question

what is the difference between sperm whales and blue whales

Answer 1

That distinction goes to the blue whale(Balaenoptera musculus), the largest animal on Earth. The orca's size of up to 31 feet (9.4 meters) makes it the largest dolphin. The sperm whale, on the other hand, may not be the biggestwhale, but it has the biggest brain to have ever existed on Earth

Answer 2

blue whale is the largest animal on earth and sperm whale has largest brain to exist on earth