What is a "finback"?

The finback whale, also known as the fin whale or Balaenoptera physalus, is a species of baleen whale known for its large size and streamlined appearance. Finback whales are the second largest animals on Earth, after the blue whale, and can grow up to 70-80 feet in length, with a slender body and a long, pointed head. They have a distinctive chevron pattern on their back and a large dorsal fin located towards the rear of their body. Finback whales are known for their speed and agility, capable of reaching speeds of up to 20-25 mph, making them one of the fastest marine mammals. They are found in oceans worldwide and are known for their graceful movements, deep dives, and unique vocalizations.