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Collective motion - Wikipedia
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searchaux" style="display:none">Spontaneous ordered movement of independent agents</div> <p><b>Collective motion</b> is defined as the spontaneous <a href="/wiki/Emergence" title="Emergence">emergence</a> of ordered movement in a system consisting of many <a href="/wiki/Self-propelled_particles" title="Self-propelled particles">self-propelled agents</a>. It can be observed in everyday life, for example in <a href="/wiki/Flocks_of_birds" class="mw-redirect" title="Flocks of birds">flocks of birds</a>, <a href="/wiki/Shoaling_and_schooling" title="Shoaling and schooling">schools of fish</a>, herds of animals and also in crowds and car traffic. It also appears at the microscopic level: in colonies of bacteria, motility assays and artificial <a href="/wiki/Self-propelled_particles" title="Self-propelled particles">self-propelled particles</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> The scientific community is trying to understand the <a href="/wiki/Universality_(dynamical_systems)" title="Universality (dynamical systems)">universality</a> of this phenomenon. In particular it is intensively investigated in <a href="/wiki/Statistical_physics" class="mw-redirect" title="Statistical physics">statistical physics</a> and in the field of <a href="/wiki/Active_matter" title="Active matter">active matter</a>. Experiments on animals,<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> biological and synthesized <a href="/wiki/Self-propelled_particles" title="Self-propelled particles">self-propelled particles</a>, simulations<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> and theories<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> are conducted in parallel to study these phenomena. One of the most famous models that describes such behavior is the <a href="/wiki/Vicsek_model" title="Vicsek model">Vicsek model</a> introduced by <a href="/wiki/Tam%C3%A1s_Vicsek" title="Tamás Vicsek">Tamás Vicsek</a> et al. in 1995.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Collective_behavior_of_Self-propelled_particles">Collective behavior of Self-propelled particles</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Collective_motion&action=edit&section=1" title="Edit section: Collective behavior of Self-propelled particles"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Source:<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p><p>Just like biological systems in nature, <a href="/wiki/Self-propelled_particles" title="Self-propelled particles">self-propelled particles</a> also respond to external gradients and show collective behavior. Micromotors or <a href="/wiki/Nanomotor" title="Nanomotor">nanomotors</a> can interact with self-generated gradients and exhibit schooling and exclusion behavior.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> For example, Ibele, <i>et al.</i> demonstrated that silver chloride micromotors, in the presence of UV light, interact with each other at high concentrations and form schools.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> Similar behavior can also be observed with titanium dioxide microparticles.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> Silver orthophosphate microparticles exhibit transitions between schooling and exclusion behaviors in response to ammonia, hydrogen peroxide, and UV light.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> This behavior can be used to design a NOR gate since different combinations of the two different stimuli (ammonia and UV light) generate different outputs. Oscillations between schooling and exclusion behaviors are also tunable via changes in hydrogen peroxide concentration. The fluid flows generated by these oscillations are strong enough to transport microscale cargo and can even direct the assembly of close-packed colloidal crystal systems.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> Motile emulsions are also known to exhibit emergent, collective behavior.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> For example, oil and surfactant combinations can be altered in oil-in-water emulsions, to switch between attractive and repulsive interactions between the droplets.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> These interactions between the droplets can facilitate formation of dynamic, self-organized patterns.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </p><p>Micromotors and nanomotors can also move preferentially in the direction of externally applied chemical gradients, a phenomenon defined as <a href="/wiki/Chemotaxis" title="Chemotaxis">chemotaxis</a>. Chemotaxis has been observed in self-propelled Au-Pt nanorods, which diffuse towards the source of hydrogen peroxide, when placed in a gradient of the chemical.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> Silica microparticles with Grubbs catalyst tethered to them, also move towards higher monomer concentrations.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> Enzymes also behave as <a href="/wiki/Nanomotor" title="Nanomotor">nanomotors</a> and migrate towards regions of higher substrate concentration, which is known as enzyme chemotaxis.<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> One interesting use of enzyme <a href="/wiki/Nanomotor" title="Nanomotor">nanomotor</a> chemotaxis is the separation of active and inactive enzymes in microfluidic channels.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> Another is the exploration of <a href="/wiki/Metabolon" title="Metabolon">metabolon</a> formation by studying the coordinated movement of the first four enzymes of the glycolysis cascade: hexokinase, phosphoglucose isomerase, phosphofructokinase and aldolase.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> More recently, enzyme-coated particles and enzyme-coated liposomes<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> have shown similar behavior in gradients of reactants in microfluidic channels.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> In general, chemotaxis of biological and synthesized <a href="/wiki/Self-propelled_particles" title="Self-propelled particles">self-propelled particles</a> provides a way of directing motion at the microscale and can be used for drug delivery, sensing, <a href="/wiki/Lab-on-a-chip" title="Lab-on-a-chip">lab-on-a-chip</a> devices and other applications.<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Collective_motion&action=edit&section=2" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Bacteria_collective_motion" title="Bacteria collective motion">Bacteria collective motion</a></li> <li><a href="/wiki/Collective_animal_behavior" title="Collective animal behavior">Collective animal behavior</a></li> <li><a href="/wiki/Collective_cell_migration" title="Collective cell migration">Collective cell migration</a></li> <li><a href="/wiki/Microswimmer" title="Microswimmer">Microswimmer</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Collective_motion&action=edit&section=3" title="Edit section: Notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output 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"Powering Motion with Enzymes". <i>Accounts of Chemical Research</i>. <b>51</b> (10): 2373–2381. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1021%2Facs.accounts.8b00286">10.1021/acs.accounts.8b00286</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0001-4842">0001-4842</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/30256612">30256612</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:52845451">52845451</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Accounts+of+Chemical+Research&rft.atitle=Powering+Motion+with+Enzymes&rft.volume=51&rft.issue=10&rft.pages=2373-2381&rft.date=2018-10-16&rft.issn=0001-4842&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A52845451%23id-name%3DS2CID&rft_id=info%3Apmid%2F30256612&rft_id=info%3Adoi%2F10.1021%2Facs.accounts.8b00286&rft.aulast=Zhao&rft.aufirst=Xi&rft.au=Gentile%2C+Kayla&rft.au=Mohajerani%2C+Farzad&rft.au=Sen%2C+Ayusman&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACollective+motion" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Further_references">Further references</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Collective_motion&action=edit&section=4" title="Edit section: Further references"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBricardCaussinDesreumauxDauchot2013" class="citation journal cs1">Bricard, A.; Caussin, J. B.; Desreumaux, N.; Dauchot, O.; Bartolo, D. (2013). <a rel="nofollow" class="external text" href="http://www.nature.com/nature/journal/v503/n7474/full/nature12673.html">"Emergence of macroscopic directed motion in populations of motile colloids"</a>. <i>Nature</i>. <b>503</b> (7474): 95–98. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/1311.2017">1311.2017</a></span>. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2013Natur.503...95B">2013Natur.503...95B</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1038%2Fnature12673">10.1038/nature12673</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/24201282">24201282</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:1174081">1174081</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nature&rft.atitle=Emergence+of+macroscopic+directed+motion+in+populations+of+motile+colloids&rft.volume=503&rft.issue=7474&rft.pages=95-98&rft.date=2013&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A1174081%23id-name%3DS2CID&rft_id=info%3Abibcode%2F2013Natur.503...95B&rft_id=info%3Aarxiv%2F1311.2017&rft_id=info%3Apmid%2F24201282&rft_id=info%3Adoi%2F10.1038%2Fnature12673&rft.aulast=Bricard&rft.aufirst=A.&rft.au=Caussin%2C+J.+B.&rft.au=Desreumaux%2C+N.&rft.au=Dauchot%2C+O.&rft.au=Bartolo%2C+D.&rft_id=http%3A%2F%2Fwww.nature.com%2Fnature%2Fjournal%2Fv503%2Fn7474%2Ffull%2Fnature12673.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACollective+motion" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFVicsekZafeiris2012" class="citation journal cs1">Vicsek, T.; Zafeiris, A. (2012). <a rel="nofollow" class="external text" href="http://www.sciencedirect.com/science/article/pii/S0370157312000968">"Collective motion"</a>. <i>Physics Reports</i>. <b>517</b> (3): 71–140. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/1010.5017">1010.5017</a></span>. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2012PhR...517...71V">2012PhR...517...71V</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.physrep.2012.03.004">10.1016/j.physrep.2012.03.004</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:119109873">119109873</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physics+Reports&rft.atitle=Collective+motion&rft.volume=517&rft.issue=3&rft.pages=71-140&rft.date=2012&rft_id=info%3Aarxiv%2F1010.5017&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A119109873%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1016%2Fj.physrep.2012.03.004&rft_id=info%3Abibcode%2F2012PhR...517...71V&rft.aulast=Vicsek&rft.aufirst=T.&rft.au=Zafeiris%2C+A.&rft_id=http%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fpii%2FS0370157312000968&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACollective+motion" class="Z3988"></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Collective_motion&action=edit&section=5" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://www.theguardian.com/science/2014/jan/13/collective-motion-starlings-sardines-physics">Physicists come together to explore mechanics of collective motion</a> <i>The Guardian</i>, 13 January 2014.</li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol 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title="Special:EditPage/Template:Swarming"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Swarming" style="font-size:114%;margin:0 4em"><a href="/wiki/Swarm_behaviour" title="Swarm behaviour">Swarming</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Swarm_behaviour#Biological_swarming" title="Swarm behaviour">Biological swarming</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Agent-based_model_in_biology" title="Agent-based model in biology">Agent-based model in biology</a></li> <li><a href="/wiki/Collective_animal_behavior" title="Collective animal behavior">Collective animal behavior</a></li> <li><a href="/wiki/Droving" title="Droving">Droving</a></li> <li><a href="/wiki/Flock_(birds)" title="Flock (birds)">Flock</a> <ul><li><a href="/wiki/Flocking_(behavior)" class="mw-redirect" title="Flocking (behavior)">flocking</a></li> <li><a href="/wiki/Sort_sol" title="Sort sol">sort sol</a></li></ul></li> <li><a href="/wiki/Herd" title="Herd">Herd</a> <ul><li><a href="/wiki/Herd_behavior" title="Herd behavior">herd behavior</a></li></ul></li> <li><a href="/wiki/Locust" title="Locust">Locust</a></li> <li><a href="/wiki/Mixed-species_foraging_flock" title="Mixed-species foraging flock">Mixed-species foraging flock</a></li> <li><a href="/wiki/Mobbing_(animal_behavior)" title="Mobbing (animal behavior)">Mobbing behavior</a> <ul><li><a href="/wiki/Feeding_frenzy" title="Feeding frenzy">feeding frenzy</a></li></ul></li> <li><a href="/wiki/Pack_(canine)" title="Pack (canine)">Pack</a> <ul><li><a href="/wiki/Pack_hunter" title="Pack hunter">pack hunter</a></li></ul></li> <li><a href="/wiki/Patterns_of_self-organization_in_ants" title="Patterns of self-organization in ants">Patterns of self-organization in ants</a> <ul><li><a href="/wiki/Ant_mill" title="Ant mill">ant mill</a></li> <li><a href="/wiki/Symmetry_breaking_of_escaping_ants" title="Symmetry breaking of escaping ants">symmetry breaking of escaping ants</a></li></ul></li> <li><a href="/wiki/Shoaling_and_schooling" title="Shoaling and schooling">Shoaling and schooling</a> <ul><li><a href="/wiki/Bait_ball" title="Bait ball">bait ball</a></li></ul></li> <li><a href="/wiki/Swarm_behaviour" title="Swarm behaviour">Swarming behaviour</a></li> <li><a href="/wiki/Swarming_(honey_bee)" title="Swarming (honey bee)">Swarming (honey bee)</a></li> <li><a href="/wiki/Swarming_motility" title="Swarming motility">Swarming motility</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="6" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:Auklet_flock_Shumagins_1986.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Auklet_flock_Shumagins_1986.jpg/140px-Auklet_flock_Shumagins_1986.jpg" decoding="async" width="140" height="95" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Auklet_flock_Shumagins_1986.jpg/210px-Auklet_flock_Shumagins_1986.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Auklet_flock_Shumagins_1986.jpg/280px-Auklet_flock_Shumagins_1986.jpg 2x" data-file-width="3756" data-file-height="2561" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Animal_migration" title="Animal migration">Animal migration</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Animal_migration" title="Animal migration">Animal migration</a> <ul><li><a href="/wiki/Altitudinal_migration" title="Altitudinal migration">altitudinal</a></li> <li><a href="/wiki/Animal_migration_tracking" title="Animal migration tracking">tracking</a> <ul><li><a href="/wiki/History_of_wildlife_tracking_technology" title="History of wildlife tracking technology">history</a></li></ul></li> <li><a href="/wiki/Coded_wire_tag" title="Coded wire tag">coded wire tag</a></li></ul></li> <li><a href="/wiki/Bird_migration" title="Bird migration">Bird migration</a> <ul><li><a href="/wiki/Category:Bird_migration_flyways" title="Category:Bird migration flyways">flyways</a></li> <li><a href="/wiki/Reverse_migration_(birds)" title="Reverse migration (birds)">reverse migration</a></li></ul></li> <li><a href="/wiki/Cell_migration" title="Cell migration">Cell migration</a></li> <li><a href="/wiki/Fish_migration" title="Fish migration">Fish migration</a> <ul><li><a href="/wiki/Diel_vertical_migration" title="Diel vertical migration">diel vertical</a></li> <li><a href="/wiki/Lessepsian_migration" title="Lessepsian migration">Lessepsian</a></li> <li><a href="/wiki/Salmon_run" title="Salmon run">salmon run</a></li> <li><a href="/wiki/Sardine_run" title="Sardine run">sardine run</a></li></ul></li> <li><a href="/wiki/Homing_(biology)" title="Homing (biology)">Homing</a> <ul><li><a href="/wiki/Natal_homing" title="Natal homing">natal</a></li> <li><a href="/wiki/Philopatry" title="Philopatry">philopatry</a></li></ul></li> <li><a href="/wiki/Insect_migration" title="Insect migration">Insect migration</a> <ul><li><a href="/wiki/Lepidoptera_migration" title="Lepidoptera migration">butterflies</a> <ul><li><a href="/wiki/Monarch_butterfly_migration" title="Monarch butterfly migration">monarch</a></li></ul></li></ul></li> <li><a href="/wiki/Sea_turtle_migration" title="Sea turtle migration">Sea turtle migration</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Swarm_behaviour#Models" title="Swarm behaviour">Swarm algorithms</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Agent-based_model" title="Agent-based model">Agent-based models</a></li> <li><a href="/wiki/Ant_colony_optimization_algorithm" class="mw-redirect" title="Ant colony optimization algorithm">Ant colony optimization</a></li> <li><a href="/wiki/Boids" title="Boids">Boids</a></li> <li><a href="/wiki/Crowd_simulation" title="Crowd simulation">Crowd simulation</a></li> <li><a href="/wiki/Particle_swarm_optimization" title="Particle swarm optimization">Particle swarm optimization</a></li> <li><a href="/wiki/Swarm_intelligence" title="Swarm intelligence">Swarm intelligence</a></li> <li><a href="/wiki/Swarm_(simulation)" title="Swarm (simulation)">Swarm (simulation)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a class="mw-selflink selflink">Collective motion</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Active_matter" title="Active matter">Active matter</a></li> <li><a class="mw-selflink selflink">Collective motion</a></li> <li><a href="/wiki/Self-propelled_particles" title="Self-propelled particles">Self-propelled particles</a> <ul><li><a href="/wiki/Clustering_of_self-propelled_particles" title="Clustering of self-propelled particles">clustering</a></li></ul></li> <li><a href="/wiki/Vicsek_model" title="Vicsek model">Vicsek model</a></li> <li><a href="/wiki/BIO-LGCA" title="BIO-LGCA">BIO-LGCA</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Swarm_robotics" title="Swarm robotics">Swarm robotics</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ant_robotics" title="Ant robotics">Ant robotics</a></li> <li><a href="/wiki/Microbotics" title="Microbotics">Microbotics</a></li> <li><a href="/wiki/Nanorobotics" title="Nanorobotics">Nanorobotics</a></li> <li><a href="/wiki/Swarm_robotics" title="Swarm robotics">Swarm robotics</a></li> <li><a href="/wiki/Symbrion" title="Symbrion">Symbrion</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related topics</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Allee_effect" title="Allee effect">Allee effect</a></li> <li><a href="/wiki/Animal_navigation" title="Animal navigation">Animal navigation</a></li> <li><a href="/wiki/Collective_intelligence" title="Collective intelligence">Collective intelligence</a></li> <li><a href="/wiki/Decentralised_system" title="Decentralised system">Decentralised system</a></li> <li><a href="/wiki/Eusociality" title="Eusociality">Eusociality</a></li> <li><a href="/wiki/Group_size_measures" title="Group size measures">Group size measures</a></li> <li><a href="/wiki/Microbial_intelligence" title="Microbial intelligence">Microbial intelligence</a></li> <li><a href="/wiki/Mutualism_(biology)" title="Mutualism (biology)">Mutualism</a></li> <li><a href="/wiki/Predator_satiation" title="Predator satiation">Predator satiation</a></li> <li><a href="/wiki/Quorum_sensing" title="Quorum sensing">Quorum sensing</a></li> <li><a href="/wiki/Spatial_organization" title="Spatial organization">Spatial organization</a></li> <li><a href="/wiki/Stigmergy" title="Stigmergy">Stigmergy</a></li> <li><a href="/wiki/Swarming_(military)" title="Swarming (military)">Military swarming</a></li> <li><a href="/wiki/Task_allocation_and_partitioning_of_social_insects" class="mw-redirect" title="Task allocation and partitioning of social insects">Task allocation and partitioning of social insects</a></li></ul> </div></td></tr></tbody></table></div> <!-- NewPP limit report Parsed by mw‐web.codfw.main‐f69cdc8f6‐mjpz6 Cached time: 20241123012229 Cache expiry: 2592000 Reduced expiry: false Complications: [vary‐revision‐sha1, show‐toc] CPU time usage: 0.535 seconds Real time usage: 0.603 seconds Preprocessor visited node 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