Go to Brilliant.org/SciShow to try their Solar Energy course. The first 200 subscribers get 20% off an annual Premium subscription. Locusts are a huge agricultural pest...except in North America. What happened to the Rocky Mountain locusts that once swarmed this continent? Researchers think that the colonization of the North American West might have had something to do with their disappearance. Hosted By: Michael Aranda SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Bd_Tmprd, Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Sam Buck, Christopher R Boucher, Eric Jensen, Lehel Kovacs, Adam Brainard, Greg, Sam Lutfi, Piya Shedden, Katie Marie Magnone, Scott Satovsky Jr, Charles Southerland, Charles george, Alex Hackman, Chris Peters, Kevin Bealer ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: DOI: 10.1126/science.1165939 (Anstey et al. 2009) halachicadventures.com/wp-content/uploads/2009/09/locust-sawrming-serotonin.pdf doi.org/10.1093/ee/19.5.1194 (Lockwood and Debrey 1990) academic.oup.com/ee/article-abstract/19/5/1194/354423?redirectedFrom=fulltext doi.org/10.1163/187498310X523874 (Lockwood 2010) brill.com/view/journals/tar/3/2/article-p129_3.xml?language=en doi:10.1016/S1055-7903(03)00209-4 (Chapco 2004) Image Sources: www.storyblocks.com/video/stock/fly-swarm-looped-v-4-rcqaivbcxjmwl6reu www.istockphoto.com/photo/swarm-of-locust-gm637972720-114104831 www.istockphoto.com/photo/desert-locust-gm121142231-16893249 commons.wikimedia.org/wiki/File:Individual-Pause-and-Go-Motion-Is-Instrumental-to-the-Formation-and-Maintenance-of-Swarms-of-pone.0101636.s020.ogv commons.wikimedia.org/wiki/File:Rocky_Mountain_locust.jpg www.istockphoto.com/vector/usa-map-gm1032423460-276529240 www.istockphoto.com/photo/yellowstone-national-park-in-wyoming-gm1149637216-310912441 www.istockphoto.com/photo/stream-flows-off-mountain-side-gm1223014527-359094649 www.istockphoto.com/photo/tidal-river-gm1015490880-273283898 www.istockphoto.com/photo/beaver-at-horseshoe-lake-gm1203224938-345741493 www.istockphoto.com/vector/virtual-abstract-background-gm969175188-264181357 www.istockphoto.com/vector/locust-large-herbivorous-insects-icon-gm1207829961-348898646 www.istockphoto.com/vector/locust-large-herbivorous-insects-attack-on-crops-icon-gm1207904579-348943398 www.istockphoto.com/photo/two-striped-grasshopper-resting-on-sand-gm1033208618-276702715 commons.wikimedia.org/wiki/File:Migratory_Grasshopper_-_Melanoplus_sanguinipes,_Coldstream_Cemetery,_Coldstream,_British_Columbia.jpg www.istockphoto.com/photo/brown-wood-texture-dark-wooden-abstract-background-gm1137996207-303653020

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