Southern fin whales have recovered to large numbers in the Antarctic

Fin Whales Are Making a Comeback in Antarctic Waters, a Study Finds

Scientists Film a Feeding Frenzy of 150 Fin Whales

Analysis of fossil whale skulls provides evidence that during the late Miocene, multiple shark species that include the megalodon, great white shark, and mako shark used to feed on the foreheads and noses of sperm whales (Physeteroidea) for the fatty organ's stores of nutritious blubber and oil.