Scientific American Content | Global Follow These whales are the only ones that flip upside down. Now we know why Southern right whales are the only whale species known to float upside down, and new drone footage suggests the purpose of the behavior could be to get a break from parenting https://www.scientificamerican.com/article/these-whales-are-the-only-ones-that-flip-upside-down-now-we-know-why/ scientificamerican.com
