Why Echidnas Are Evolutionary Misfits
Go to Squarespace.com/SciShow 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. It’s 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: https://www.patreon.com/scishow ---------- 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 Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, 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.nationalgeographic.com.au/animals/how-the-platypus-and-echidna-lost-their-stomachs.aspx https://www.smithsonianmag.com/smart-news/many-animals-including-the-platypus-lost-their-stomachs-180948103/ http://phenomena.nationalgeographic.com/2013/12/03/how-the-platypus-and-a-quarter-of-fishes-lost-their-stomachs/ http://www.nationalgeographic.com.au/animals/echidna.aspx http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0006070#s1 http://www.publish.csiro.au/ZO/ZO09037 https://eprints.utas.edu.au/2320/1/Nicol_et_al._2007_The_life_history_of_an_egg-laying_mammal2C_the_echidna_Ecoscience.pdf http://www.sciencedirect.com/science/article/pii/S0531556508001629 http://reptilepark.com.au/animals/mammals/echidna/ http://www.abc.net.au/science/articles/2011/01/11/3110568.htm http://onlinelibrary.wiley.com/doi/10.1002/jcp.1040670108/abstract https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5399094/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2441467/ http://www.ucl.ac.uk/museums-static/obl4he/vertebratediversity/monotremes.html http://www.jstor.org/stable/10.1086/522847?seq=2#page_scan_tab_contents http://www.environment.nsw.gov.au/resources/nature/Factsheet3Echidnas.pdf http://ro.uow.edu.au/cgi/viewcontent.cgi?article=1591&context=hbspapers https://www.researchgate.net/publication/290413985_Marsupial_and_Monotreme_Evolution_And_Biogeography Image Sources: https://commons.wikimedia.org/wiki/File:Heteropoda_venatoria_-_female_at_Mechode_Padur.jpg https://commons.wikimedia.org/wiki/File:CSIRO_ScienceImage_10356_Superb_Lyrebird.jpg https://commons.wikimedia.org/wiki/File:Monotreme_reproductive_organs.png
