Unsolved mystery: What are those weird bumps on the heads of humpback whales?

It may seem strange to you, but baleen whales are actually covered in hair. Not a thick layer of fur like your family cat, but a smattering of around 100 fragile hairs dotted along their jawline. In most species, you can barely see these hairs with the naked eye. But on the humpback whale, you [&hellip