Laura Helmuth on Nostr: Fun fun fun: Beluga whales have a lump on their forehead called a "melon" that they ...

Fun fun fun: Beluga whales have a lump on their forehead called a "melon" that they shake, wiggle, thrust and bump to communicate https://www.scientificamerican.com/article/belugas-flirt-and-fight-by-morphing-their-squishy-forehead/