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
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Sources:
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https://www.vincentwildlife.ie/species/pygmy-shrew
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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
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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