SciShow: How Did You Get Here?! (Unexpected Ways Species Travel the World)

Teacher or professor: SciShow
Subject: Science
Content of the Lesson: Sometimes, species end up in places we wouldn't expect, like when the same or very similar species end up on opposite parts of the globe. It's called disjunct distribution, and here are 6 ways that it can happen. Hosted by: Michael Aranda SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Kevin Bealer, Jacob, Katie Marie Magnone, Charles Southerland, Eric Jensen, Christopher R Boucher, Alex Hackman, Matt Curls, Adam Brainard, Jeffrey McKishen, Scott Satovsky Jr, James Knight, Sam Buck, Chris Peters, Kevin Carpentier, Patrick D. Ashmore, Piya Shedden, Sam Lutfi, Charles George, Christoph Schwanke, Greg, Lehel Kovacs, Bd_Tmprd ---------- 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: https://royalsocietypublishing.org/doi/pdf/10.1098/rspb.2003.2406 https://www.vincentwildlife.ie/species/pygmy-shrew https://nationalzoo.si.edu/animals/screaming-hairy-armadillo https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0190944 https://www.nationalgeographic.com/animals/mammals/group/opossums/ https://norriscenter.ucsc.edu/collections-and-resources/mammals/monotremes-marsupials-placentals.html http://www.nhc.ed.ac.uk/index.php?page=493.168.256 https://australian.museum/learn/australia-over-time/evolving-landscape/the-cretaceous-period/ https://www.aussie-info.com/identity/fauna/ https://www.floridamuseum.ufl.edu/southflorida/habitats/mangroves/geographical-distribution/ https://link.springer.com/article/10.1007/BF02854758 https://www.amnh.org/explore/videos/biodiversity/mangroves-the-roots-of-the-sea/what-is-a-mangrove https://publishing.cdlib.org/ucpressebooks/view?docId=ft196n99v8&chunk.id=d0e217&toc.id=&brand=ucpress https://esajournals.onlinelibrary.wiley.com/doi/pdf/10.1002/ecy.2774 https://science.jrank.org/pages/3766/Killifish.html#ixzz6RZhbo3B7 https://link.springer.com/article/10.1007/BF02806469 https://www.nationalgeographic.com/animals/reptiles/g/green-iguana/ https://www.nature.com/articles/26886 Image Sources: https://commons.wikimedia.org/wiki/File:Eurasian_Pygmy_Shrew_area.png https://commons.wikimedia.org/wiki/File:Sorex_minutus.jpg https://commons.wikimedia.org/wiki/File:Sorex_minutus_palm.jpg https://www.inaturalist.org/photos/78653939 https://commons.wikimedia.org/wiki/File:Chaetophractus_vellerosus3.jpg https://commons.wikimedia.org/wiki/File:Chaetophractus_vellerosus_distribution_map.png https://commons.wikimedia.org/wiki/File:Arid_chaco.jpg https://commons.wikimedia.org/wiki/File:Gondwana_420_Ma.png https://commons.wikimedia.org/wiki/File:World_map_mangrove_distribution.png https://commons.wikimedia.org/wiki/File:Guatemalan_Killifish_Fundulopanchax_gardneri.jpg https://commons.wikimedia.org/wiki/File:Coscoroba_coscoroba_-Argentina_-flying-8.jpg https://commons.wikimedia.org/wiki/File:Coscoroba.swan.2.arp.750pix.jpg https://commons.wikimedia.org/wiki/File:Portrait_of_an_Iguana.jpg


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