Finbacks, also known as fin whales, are the second-largest animal in the world after the blue whale. These majestic creatures are highly sought-after by whale watchers and scientists alike for their enormous size and unique characteristics. If you're interested in learning more about finbacks, there are a variety of synonyms you can use to describe them. Some of the most common include razorback, common rorqual, and finner. Additionally, you can refer to them by their scientific designation: Balaenoptera physalus. No matter what you call them, finbacks are a fascinating addition to any study of marine biology and the natural world.