In case you didn't know, not only are narwhals real, they're rad. Hank shares some little known facts about one of the least understood sea mammals, including some insights into why they're so hard to study, and what that big thing on its face is for! ----------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: dftba.com/artist/52/SciShow Or help support us by subscribing to our page on Subbable: subbable.com/scishow -- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Thanks Tank Tumblr: thankstank.tumblr.com Sources: www.narwhal.org/index.html animals.nationalgeographic.com/animals/mammals/narwhal/ ngm.nationalgeographic.com/2007/08/hunting-narwhals/hunting-narwhals-text animaldiversity.ummz.umich.edu/accounts/Monodontidae/ www.nytimes.com/2005/12/13/science/13narw.html?pagewanted=all&_r=0 ** tusk is sensitive www.smithsonianmag.com/science-nature/In-Search-of-the-Mysterious-Narwhal.html * science.howstuffworks.com/zoology/marine-life/narwhal3.htm *tusks www.defenders.org/narwhal/basic-facts