Humpback whales are a marvel to see and if you are lucky enough to swim with them, it can be a spiritual experience. Gentle giants. I swam with them in Tonga twice and the Silver Banks in the Dominican Republic. It's magical.
Calf Spy Hop
When Whales spy hop sometimes you see their eyes and sometimes they pop out just enough that they use the water to magnify. In this case, you can see its eye. Tonga. 2019