Why Do Dogs Wag Their Tails?

A puppy's tail wagging on the left side of their body might mean something profoundly different than wagging on the right side. We're conducting a survey of our viewers! If you have time, please give us feedback: https://www.surveymonkey.com/r/SciShowSurvey2017 Hosted by: Olivia Gordon ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: KSam Lutfi, Kevin Knupp, Nicholas Smith, Inerri, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Bella Nash, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Fatima Iqbal, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.akc.org/content/entertainment/articles/why-do-dogs-wag-their-tails/ https://www.psychologytoday.com/blog/canine-corner/201112/what-wagging-dog-tail-really-means-new-scientific-data http://www.cell.com/current-biology/abstract/S0960-9822(07)00949-9 http://www.cell.com/current-biology/fulltext/S0960-9822(13)01143-3 http://articles.latimes.com/2013/oct/31/science/la-sci-sn-what-is-your-dog-really-saying-when-it-wags-its-tail-20131029