Why Echidnas Are Evolutionary Misfits

Go to for a free trial and use the offer code SCISHOW to support this channel and save 10 off your first purchase of a website or domain. Its pretty well known that Australia is home to some strange animals, but echidnas are especially weird evolutionary misfits. Hosted by: Hank Green Support SciShow by becoming a patron on Patreon: Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D. A. Noe, alexander wadsworth, سلطا الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark TerrioCameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz Looking for SciShow elsewhere on the internet Facebook: Twitter: Tumblr: Instagram: Sources: Image Sources: