Link to my Google Scholar profile


[98] Kao, A.B., Berdahl, A., Lutz, M.J., Giam, X., Hartnett, A.T.  & Couzin, I.D. (2015) Individual-level rules governing social information use and the wisdom of crowds, in prep.

[97] Hartnett, A.T., Schertzer, E., Levin, S.A. & Couzin, I.D. (2015) The role of heterogeneous preference and local nonlinearity in consensus decision-making, in prep.

[96] Strandburg-Peshkin, A., Farine, D.R., Couzin, I.D. & Crofoot, M.C. (2015) Shared decision-making drives collective movement in wild baboons, submitted.

[95] Swain, D.T., Couzin, I.D. & Leonard, N.E. (2015) Coordinated speed oscillations in schooling killifish enrich social communication, submitted.

[94] Rosenthal, S.B., Twomey, C.R., Wu, H.S. & Couzin, I.D. (2015) Revealing the hidden network of interaction in animal groups allows prediction of complex behavioral contagion, in revision.

[93] Ioannou, C.C., Singh, M. & Couzin, I.D. (2015) Potential leaders trade off goal-oriented and socially-oriented behavior in mobile animal groups, submitted.


[92] Hills, T.T., Todd, P.M., Laser, D. Redish, A.D., Couzin, I.D. and the Cognitive Search Research Group (2014) Exploration versus exploitation in space, mind and society, Trends in Cognitive Sciences available early online.

[91] Torney, C.J., Lorenzi, T., Couzin, I.D. & Levin, S.A. (2014) Information processing and the evolution of unresponsiveness in collective systems, Journal of the Royal Society Interface in press.

[90] Woods, M.L., Carmona-Fontaine, C., Barnes, C.P., Couzin, I.D., Mayor, R. & Page, K. (2014) Directional collective cell migration emerges as a property of cell interactionsPLoS ONE 9, e104969.

[89] Hofmann, H.A., Blumstein, D.T., Couzin, I.D., Earley, R.L., Hayes, L.D., Hurd, P.L., Lacey, E.A., Solomon, N.G., Taborsky, M., Young, I.J. & Rubenstein, D.R. (2014) An evolutionary framework for studying mechanisms of social behavior, Trends in Ecology and Evolution 29(10), 581-589.

[88] Liu, P., Safford, H.R., Couzin, I.D. & Kevrekidis, I.G. (2014) Coarse-grained variables for particle-based models: diffusion maps and animal swarming simulations, Computational Particle Mechanics available early online.

[87] Gallup, A.C., Chong, A., Kacelnik, A. & Couzin, I.D. (2014) The influence of emotional facial expressions on gaze-copying in grouped and solitary pedestriansScientific Reports 4, 5794.

[86] Kao, A., Miller, N., Torney, C., Hartnett, A. & Couzin, I.D. (2014) Collective learning and optimal consensus in animal groupsPLoS Computational Biology 10(8), e1003762.

[85] Dell, A.I., Bender, J.A., Branson, K., Couzin, I.D., de Polavieja, G.G., Noldus, L.P.P.J., Perez-Escudero, A., Perona, P., Straw, A.D., Wikelski, M. & Brose, U. (2014) Automated imaging-based tracking and its application to ecologyTrends in Ecology and Evolution 29(7), 417-428.

[84] Treuer, T., Altosaar, J., Hartnett, A., Twomey, C., Dobson, A., Wilcove, D. & Couzin, I.D. (2014) Machine learning in audio taxonomy: Quantifying biodiversity and habitat recovery through rainforest audio recordings. The Journal of the Acoustical Society of America 135(4), 2368-2368.

[83] Berdahl, A., Westley, P.A.H., Couzin, I.D., Levin, S.A. & Quinn, T.P. (2014) A collective navigation hypothesis for homeward migration in andromous salmonids, Fish and Fisheries, early online DOI: 10.1111/faf.12084

[82] Kao, A.B. & Couzin, I.D. (2014) Decision accuracy in complex environments is often maximized by small group sizesProceedings of the Royal Society of London Series B 281(1784), 2013305.


[81] Strandburg-Peshkin, A., Twomey, C.R., Bode, N.W., Kao, A.B., Katz, Y., Ioannou, C.C., Rosenthal, S.B., Torney, C.J., Wu, H., Levin, S.A. & Couzin, I.D. (2013) Visual sensory networks and effective information transfer in animal groups, Current Biology 23(17), R709-711. [PDF]

[80] Perez-Escudero, A., Miller, N., Hartnett, A.T., Garnier, S., Couzin, I.D. & de Polavieja, G. (2013) Estimation models describe well collective decisions among three options. PNAS, early edition. [PDF]

[79] Coburn, L., Cerone, L., Torney, C., Couzin, I.D. & Neufeld, Z. (2013) Tactile interactions lead to coherent motion and enhanced chemotaxis of migrating cells, Physical Biology 10(4), 046002.

[78] Garnier, S., Murphy, T., Lutz, M., Hurme, E., Leblanc, S. & Couzin, I.D. (2013) Stability and responsiveness in a self-organizing living architecture, PLoS Computational Biology 9(3), e1002984. [PDF]

[77] Kolpas, A., Busch, M., Li, H.,Couzin, I.D., Petzold, L. & Moehlis, J. (2013) How the spatial positions of individuals affects their influence on swarms: a numerical comparison of two popular swarm dynamics models, PLoS ONE (8)3, e58525. [PDF]

[76] Miller, N., Garnier, S. & Couzin, I.D. (2013) Both information and social cohesion determine collective decisions in animal groups, PNAS 110(13), 5263-5268. [PDF]

[75] Torney, C., Levin, S.A. & Couzin, I.D. (2013) Leadership and the role of spatial interactions in social dynamics, Journal of Statistical Physics 151, 203-217. [PDF]

[74] Tunstrom, K., Katz, Y., Ioannou, C.C., Huepe, C., Lutz, M. & Couzin, I.D. (2013) Collective states, multistability and transitional behavior in schooling fish, PLoS Computational Biology, 9(2), e1002915. [PDF]

[73] Berdahl, A., Torney, C.J., Ioannou, C.C., Faria, J. & Couzin, I.D. (2013) Emergent sensing of complex environments by mobile animal groups, Science 339(6119) 574-576. Free Reprint.

[72] Shaw, A.K. & Couzin, I.D. (2013) Migration or residency? The evolution of movement behavior and information usage in seasonal environments, The American Naturalist 181(1), 114-124. [PDF]


[71] Lopez, U., Gautrais, J., Couzin, I.D. & Theraulaz, G. (2012) From behavioral analyses to models of collective motion in fish schools, Interface Focus 2, 693-707. [PDF]

[70] Stephens, D.W., Couzin, I.D. & Giraldeau, L-A. (2012) Ecological and behavioral approaches to search behavior. In “Cognitive Search: Evolution, Algorithms and the Brain” (P.M. Todd, T.T. Hill & T.W. Robbins), MIT Press, Boston.

[69] Ioannou, C.C., Guttal, V. & Couzin, I.D. (2012) Predatory fish select for coordinated collective motion in virtual prey. Science 337(6099) 1212-1215. Free Reprint.

> A Perspective of this work by Bill Romey accompanied our paper: Real fish attack simulated plankton Science337(6099) 1181-1182. We also received media attention and a non-exhaustive list of news articles can be found, along with a short movie showing our experiment here.

[68] Guttal, V., Romanczuk, P., Simpson, S.J., Sword, G.A. & Couzin, I.D. (2012) Cannibalism as a driver of the evolution of behavioral phase polyphenism in locusts. Ecology Letters 15, 1158-1166. [PDF]

[67] Mishra, S., Tunstrom, K., Couzin, I.D. & Huepe, C. (2012) Collective dynamics of self-propelled particles with variable speed. Physical Review E 86, 011901. [PDF]

[66] Handegard, N.O., Leblanc, S., Boswell, K., Tjostheim, D. & Couzin, I.D. (2012) The dynamics of coordinated group hunting and collective information-transfer among schooling prey. Current Biology, 22(13), 1213-1217. [PDF]

> Accompanied by a Dispatches in Current Biology by Graeme Ruxton “Group Dynamics: Both Predators and Prey Get a Little Help From Their Friends”

[65] Gallup, A.C., Hale, J.J., Garnier, S., Sumpter, D.J.T., Kacelnik, A., Krebs, J. & Couzin, I.D. (2012) Visual attention and the acquisition of information in human crowds. PNAS, 109(19), 7245-7250. [PDF]

[64] Bazazi, S., Bartumeus, F., Hale, J.J., Holmin, A.J. & Couzin, I.D. (2012) Intermittent motion in desert locusts: behavioral complexity in simple environments. PLoS Computational Biology, 8(5), e1002498. [PDF]

[63] Gallup, A.C., Chong, A. & Couzin, I.D. (2012) The directional flow of visual information transfer between pedestrians. Biology Letters 8(4), 520-522. [PDF]

[62] Swain, D., Couzin, I.D. & Leonard, N.E. (2011) Real-time feedback-controlled robotic fish for behavioral experiments with fish schools. Proceedings of the IEEE 100(1), 150-163. [PDF]

[61] Bazazi, S., Pfennig, K.S., Handegard, N.O. & Couzin, I.D. (2012) Collective vortex formation and foraging in polyphenic spadefoot toad tadpoles. Behavioral Ecology and Sociobiology, 66(6), 879-889. [PDF]

[60] Leonard, N.E., Shen, T., Nabet, B., Scardovi, L., Couzin, I.D. & Levin, S.A. (2012) Decision versus compromise for animal groups in motion. PNAS, 109(1), 227-232. [PDF]


[59] Couzin, I.D., Ioannou, C.C., Demirel, G., Gross, T., Torney, C.J., Hartnett, A., Conradt, L., Levin, S.A. & Leonard, N.E. (2011) Uninformed individuals promote democratic consensus in animal groups. Science 334(6062) 1578-1580. Free reprint

> A Perspective of this work, by Jevin West and Carl Bergstrom, accompanied our paper: Can ignorance promote democracy?Science332(6062) 1501-1504. We also received media attention and a non-exhaustive list of news articles can be found here.

[58] Frewen, T. A., Couzin, I. D., Kolpas, A., Moehlis, J., Coifman, R. & Kevrekidis, I. O. (2011) Coarse collective dynamics of animal groups. Lecture Notes in Computational Science and Engineering 75, 299-309. [PDF]

[57] Katz, Y., Ioannou, C.C., Tunstrom, K., Huepe, C. & Couzin, I.D. (2011) Inferring the structure and dynamics of interactions in schooling fish, PNAS 108(46), 18720-18725. [PDF]

[56] Torney, C., Berdahl, A. and Couzin, I.D. (2011) Signaling and the evolution of cooperative foraging in dynamic environments, PLoS Computational Biology 7(9), e1002194. [PDF]

[55] Guttal, V., & Couzin, I. D. (2011) Leadership, collective motion and the evolution of migratory strategies. Communicative and Integrative Biology, 4, 294-298. Open Access.

[54] Abbot, P., Abe, J., Alcock, J….Couzin, I.D.,et al. 137 authors (2011) Inclusive fitness theory and eusociality. Nature 471(7339) e1-e4. [PDF]

[53] Bazazi, S., Romanczuk, P., Thomas, S., Schimansky-Geier, L., Hale, J. J., Miller, G. A., Sword, G.A., Simpson, S.J. and Couzin, I.D. (2011) Nutritional state and collective motion: from individuals to mass migration. Proceedings of the Royal Society of London Series B 278(1704) 356-363. [PDF]

Proceedings of the Royal Society B cover page showing two locusts

[52] Pillot, M-H., Gautrais, J., Arrufat, P., Couzin, I. D., Bon, R. & Deneubourg, J-L. (2011) Scalable rules for coherent motion in a gregarious vertebrate. PLoS ONE 6(1), 14487. [PDF]

[51] Sueur, C., Petit, O., Deneubourg, J-L., & Couzin, I. D. (2011) Group size, grooming and fission in primates: a modeling approach based on group structure. Journal of Theoretical Biology 273(1), 156-166. [PDF]


[50] Guttal, V. & Couzin, I. D. (2010) Social interactions, information use and the evolution of collective migration. PNAS 107(37), 16172-16177.

> From the Cover’, ‘This Week inPNAS’ and a Commentary by Simpson and Sword Evolving Migration PNAS 107(39), 16753-16754.

[49] Torney, C., Levin, S. A. & Couzin, I. D. (2010) Specialization and evolutionary branching within migratory populations. PNAS 107(47), 20394-20399.

> Recommended by ‘Faculty of 1000′

[48] Couzin, I.D. (2010) Complex systems: An informative itinerary. Science 328(5977) 430.

[47] Bazazi, S., Ioannou, C. C., Simpson, S. J., Sword, G. A., Torney, C. & Couzin, I. D. (2010) The social context of cannibalism in Mormon cricket collective movement. PLoS ONE 5(12), e15118.

[46] Sueur, C., Deneubourg, J-L., Petit, O. & Couzin, I. D. (2010) Differences in nutrient requirements imply a non-linear emergence of leaders in animal groups. PLoS Computational Biology 6(9), 1000917.

[45] Faria, J. J., Dyer, J. R. G., Clement, R., Couzin, I. D., Holt, N., & Ward, A. J., et al. (2010) A novel method for investigating the collective behavior of fish: introducing “Robofish”. Behavioral Ecology and Sociobiology 64(8), 1211-1218.

[44] Escudero, C., Yates, C. A., Buhl, J., Couzin, I. D., Erban, R., Kevrekidis, I. G., & Maini, P. K. (2010) Ergodic directional switching in mobile insect groups. Physical Review E 82(1), 011926.

[43] Simpson, S. J., Raubenheimer, D., Charleston, M. A., Clissold, F. J., Couzin, I. D., & Clements, K. D., et al. (2010) Modelling nutritional interactions: from individuals to communities. Trends in Ecology and Evolution 25(1), 53-60.

[42] Couzin, I.D. and King, A.J. (2010) Animal group movements. In: Encyclopedia of Animal Behavior, Breed, M. and Moore, J. (Eds.), Elsevier.


[41] Torney, C., Neufeld, Z. & Couzin, I.D. (2009) Context-dependent interaction leads to emergent search behavior in social aggregates. PNAS 106(52), 22055-22060.

[40] Yates, C. A., Erban, R., Escudero, C., Couzin, I. D., Buhl, J., & Kevrekidis, I. G., et al. (2009) Inherent noise can facilitate coherence in collective swarm motion.
PNAS 106(14), 5464-5469.

[39] Conradt, L., Roper, T.J., Couzin, I.D. & Krause, J. (2009) “Leading according to need” in self-organizing groups. The American Naturalist 173(3), 304-312.

[38] Romanczuk, P., Couzin, I.D. & Schimansky-Geier, L. (2009) Collective motion due to individual escape and pursuit response. Physical Review Letters 102(1), doc# 010602.

[37] Deisboeck, T. & Couzin, I.D. (2009) Collective behavior in cancer cell populations. BioEssays 31(2), 190-197.

[36] Couzin, I.D. & Laidre, M.E. (2009) Fission-fusion populations. Current Biology 19(15), r633-r635.

[35] Nabet, B., Leonard, N.E., Couzin, I.D. & Levin, S.A. (2009) Dynamics of decision-making in animal group motion. Journal of Nonlinear Science 19(4), 399-435.

[34] Dyer, J.R.G., Johansson, A., Helbing, D., Couzin, I.D. & Krause, J. (2009) Leadership, consensus decision making and collective behaviour in human crowds. Philosophical Transactions of the Royal Society of London, Series B 364(1518) 781-78.

> Top 10 most cited articles in Phil. Trans. R. Soc. Lond B. in 2009 (5thmost cited)

[33] Couzin, I.D. (2009) Collective cognition in animal groups. Trends in Cognitive Sciences 13(1), 36-43.

Trends in Cognitive Sciences cover page featuring Collective cognition in animals

[32] Erra, U., Frola, B., Scarano, V. & Couzin, I.D. (2009) An efficient GPU implementation for large scale individual-based simulation of collective behavior. High Performance Computational Systems Biology, 51-58. Doi: 10.1109/HiBi.2009.11


[31] Sumpter, D.J.T., Krause, J., James, R., Couzin, I.D. & Ward, A.J.W. (2008) Consensus decision-making by fish. Current Biology 18(22), 1773-1777.

[30] Bazazi, S., Buhl, J., Hale, J.J., Anstey, M.L., Sword, G.A., Simpson, S.J. & Couzin, I.D. (2008) Collective motion and cannibalism in locust migratory bands. Current Biology 18(10), 735-739.

> Recommended by ‘Faculty of 1000’ – Rating 11, Exceptional.

Current Biology cover page showing a Locust

[29] Ward, A.J., Sumpter, D.J.T., Couzin, I.D., Hart, P.J.B. & Krause, J. (2008) Quorum decision-making facilitates information transfer in fish shoals. PNAS 105(19), 6948-6953.

[28] Sumpter, D.J.T., Buhl, J., Biro, D. & Couzin, I.D. (2008) Information transfer in moving animal groups. Theory in Biosciences 127(2), 177-186.

[27] Dyer, J.R.G., Ioannou, C.C., Morrell, L.J., Croft, D.P., Couzin, I.D., Waters, D.A. & Krause, J (2008) Consensus decision-making in human crowds. Animal Behaviour 75, 461-470.

[26] Roditakis, E., Couzin, I.D., Franks, N.R. & Charnley A.K. (2008) Effects of Lecanicillium longisporum infection development on the behaviour of the green peach aphid Myzus persicae. Journal of Insect Physiology 54 (1), 128-13624.

[25] Lu, J., Liu, J., Couzin, I.D. & Levin, S.A. (2008) Emerging collective behaviors of animal groups. Proc.World Congress on Intelligent Control and Automation, 1060-1065.


[24] Couzin, I.D. (2007) Collective minds. Nature 455, 715.

[23] Paley, D.A., Leonard, N.A., Sepulchre, R.J. & Couzin, I.D. (2007) Spatial models of bistability in biological collectives. Proc. IEEE Conf. on Decision and Control, 4851-4856

[22] Swain, D.T., Leonard, N.E., Couzin, I.D., Kao, A. & Seuplchre, R.J. (2007) Alternating spatial patterns for coordinated group motion. Proc. IEEE Conf. on Decision and Control, 12-14.


[21] Buhl, J., Sumpter, D.J.T, Couzin, I.D., Hale, J., Despland, E., Miller, E. & Simpson, S.J. (2006) From disorder to order in marching locusts. Science 312, 1402-1406.

> Selected for ‘Research Highlights’ in Nature and a Perspectives’ article by Danny Grunbaum Align in the sand Science 312, 1320-1322.

[20] Couzin, I.D. (2006) Behavioural ecology: social organization in fission-fusion societies. Current Biology 16, R169-171.

[19] Simpson, S.J., Sword, A.G., Lorch, P.D. & Couzin, I.D. (2006) Cannibal crickets on a forced march for protein and salt. PNAS 103, 4152-4156.

> Selected for ‘News and Views’ Push on the marching crickets inNature, Recommended by ‘Faculty of 1000’.

[18] Nabet, B., Leonard, N.E., Couzin, I.D. & Levin, S.A.(2006) Leadership in animal group motion: a bifurcation analysis, Proceedings of the 17th Symposium on Mathematical Theory of Networks and Systems, 1-14

[17] Couzin, I.D., James, R., Croft, D.P. & Krause, J. (2006) Social organization and information transfer in schooling fishes. Fish Cognition and Behaviour eds. Brown C., Laland, K.N. & Krause, J.

2005 and earlier

[16] Couzin, I.D., Krause, J., Franks, N.R. & Levin, S.A. (2005) Effective leadership and decision making in animal groups on the move. Nature 433, 513-516.

Nature cover page showing a fish school

[15] Wrege, P., Wikelski, M., Mandel, J.T. Rassweiler, T & Couzin, I. D. (2005) Antbirds parasitize foraging army ants. Ecology 86 (3), 555-559.

[14] Hensor, E.M.A., Couzin, I.D., James, R. & Krause, J. (2005) Modelling density-dependent fish shoal distributions in the laboratory and field. Oikos 110, 344-352.

[13] Hoare, D.J., Couzin, I.D., Godin, J-G. & Krause, J. (2004) Context-dependent group size choice in fish. Animal Behaviour 67, 155-164.

[12] Couzin, I.D. & Krause, J. (2003) Self-organization and collective behavior in vertebrates. Advances in the Study of Behavior 32, 1-75.

[11] Couzin, I.D. & Franks, N.R, (2003) Self-organized lane formation and optimized traffic flow in army ants. Proceedings of the Royal Society of London, Series B 270, 139-146.

> ‘Editor’s choice’ by Andrew Sugden Avoiding gridlock Science 299, 19. Featured in News Focus by Ben Shouse Getting the behavior of social insects to compute Science 295, 2357.

[10] Croft, D. P., Arrowsmith, B. J., Bielby, J., Skinner, K., White, E., Couzin, I. D., Magurran, A. E., Ranmarine, I. & Krause, J. (2003) Mechanisms underlying shoal composition in the Trinidadian guppy (Poecilia reticulata). Oikos 100, 429-438.

[9] Croft, D. P., Krause, J., Couzin, I. D. & Pitcher, T. J. (2003) When fish schools meet: outcomes for evolution and fisheries. Fish and Fisheries 4, 138-146.

[8] Couzin, I.D., Krause, J., James, R., Ruxton, G.D. & Franks, N.R., (2002) Collective memory and spatial sorting in animal groups. Journal of Theoretical Biology 218, 1-11.

> Recommended by Faculty of 1000; Top 5 most cited papers of the decade (1999-2010) publication analysis of Animal Behavior Research, Lab Times (Europe)

[7] Ward, A. J. W., Hoare, D. J., Couzin, I. D. & Krause, J. (2002) The effects of parasitism and body length on positioning within wild fish shoals. Journal of Animal Ecology 71(1), 10-14.

[6] Couzin, I. D. & Krause, J. (2001) The social organization of fish schools. Advances in Ethology 36, 64.

[5] Hoare, D. J., Ward, A., Couzin, I. D., Croft, D. & Krause, J. (2001) A grid-net technique for the analysis of fish positions in free-ranging fish schools. Journal of Fish Biology 59(6), 1667-1672.

[4] Roditakis, E., Couzin, I. D., Barlow, K., Franks, N. R. & Charnley, A. K. (2000) Improving secondary pick up of insect fungal pathogen conidia by manipulating host behavior. Annals of Applied Biology 137, 329-335.

[3] Boi, S., Couzin, I. D., Del Buono, N., Franks, N. R. & Britton, N. F. (1999) Coupled oscillators and activity waves in ant colonies. Proceedings of the Royal Society Series B 266, 371-378.

[2] Spencer, A. J., Couzin, I. D. & Franks, N. R. (1998) The dynamics of specialization and generalization within biological populations. Journal of Complex Systems 1, 114-128.

[1] Ritchie, M. G. R., Couzin, I. D. & Snedden, W. A. (1995) What’s in a song? Female bushcrickets discriminate against the song of older males. Proceedings of the Royal Society of London Series B 262, 21-27.