The skull of a vaquita (Phocoena sinus), the world’s smallest cetacean, is pretty manageable, as it’s around the size of a melon. But the skull of a blue whale (Balaenoptera musculus) is more on the ...

The blue whale is the largest animal ever known to have lived on Earth. Blue whales are largest of all baleen whales and are found worldwide. They have a long slender body with a proportionally ...