Publications

2021

  • Culbert, B.M.; Ligocki, I.Y.; Salena, M.G.; Wong, M.Y.; Bernier, N.J.; Hamilton, I.M.; Balshine, S., 2021. Glucocorticoids do not promote prosociality in a wild group-living fish. Hormones and Behavior, 127: 104879.

2020

  • Kua, Z.X.; Hamilton, I.M.; McLaughlin, A.L.; Brodnik, R.M.; Keitzer, S.C.; Gilliland, J.; Hoskins, E.A.; Ludsin, S.A., 2020. Water warming increases aggression in a tropical fish. Scientific Reports, 10: 1-13.
  • Shastry, A.; Durand, M; Neal, J.; Fernandez, A.; Phang, S.C.; Moore, B.; Jung, H.C.; Kari, S.; Moritz, M.; Mark, B.; Laborde, S.; Murumkar, A.; Hamilton, I. 2020. Small-scale anthropogenic changes impact floodplain hydraulics: simulating the effects of fish canals on the Logone Floodplain. Journal of Hydrology. 588: 125035
  • Murumkar, A.; Durand, M.; Fernández, A.; Moritz, M.; Mark, B.; Phang, S.C.; Laborde; S.; Scholte; Shastry, A.; Hamilton, I. 2020. Trends and Spatial Patterns of 20th century Temperature, Rainfall and PET in the semi-arid Logone River Basin, Sub-Saharan Africa. Journal of Arid Environments. 178: 104168

2019

  • Kotheimer, J.; Hamilton, I. M. 2019. Changes in flamingo foot conditions following substrate changes in holding areas. Animal Keepers Forum. 46: 338-342
  • Titus, B.M.; Daly, M.; Vondriska, C; Hamilton, I.M.; Exton, D.A. 2019. Independent evolution of strategic cleaning behaviors in ecologically analogous cleaner shrimps. Scientific Reports 9: 629
  • Ligocki, I.Y.; Earley, R.L.; Hamilton, I.M. 2019. How individual and relative size affect participation in territorial defense and cortisol levels in a social fish. Journal of Experimental Zoology – A 331: 217-226

2018

  • Moritz, M; Behnke, R.; Bliege Bird, R.; Chiaravalloti, R.; Clark, J.; Crabtree, S.; Downey, S.; Hamilton, I. M.; Phang, S.; Scholte, P.; Wilson, J. 2018. Emergent sustainability in open property regimes. Proceedings of the National Academy of Sciences, USA.115: 12859-12867
  • Laborde, S.; Phang, S. C.; Ahmadou, M.; Durand, M.; Fernández. A; Hamilton, I. M.; Henry, N.; Kari, S.; Mahamat, A.; Mark, B.; Scholte, P.; Shastry, A.; Xiao, N.; Ziebe, R.; Moritz, M. 2018. Co-producing research in the “Red Zone”: Adaptation to fieldwork constraints with a transdisciplinary approach. The Geographical Journal. 184: 369-383
  • Hellmann, J. K.; Hamilton, I. M. 2018. Intragroup social dynamics vary with the presence of neighbors in a cooperatively breeding fish. Current Zoology. zoy025
  • Hellmann, J. K.; Hamilton, I. M. 2018. Dominant and subordinate outside options alter help and eviction in a pay-to-stay negotiation model. Behavioral Ecology. 29: 553-562

2017

  • Schmidt, M. H.; Swang, T. W.; Hamilton, I. M.; Best, J. A. 2017. State-dependent metabolic partitioning and energy conservation: a theoretical framework for understanding the function of sleep. PLoS ONE. 12: e0185746
  • Sabol, A. C.; Hellmann, J. K.; Gray, S. M.; Hamilton, I. M. 2017. The role of ultraviolet colouration in intrasexual interactions in a colonial fish. Animal Behaviour. 131: 99-106
  • Moritz, M.; Buffington, A.; Yoak, A. J.; Hamilton, I. M.; Garabed, R. 2017. No magic number: An examination of the herd-size threshold in pastoral systems using agent-based modeling. Human Ecology. 45: 525-532
  • Reddon, A.R.; O’Connor, C. M.; Nesjan, E.; Cameron, J.; Hellmann, J. K.; Ligocki, I. Y.; Marsh-Rollo, S. E.; Hamilton, I. M.; Wylie, D. R.; Hurd, P. L.; Balshine, S. 2017. Isotocin neuronal phenotypes differ among social systems in cichlid fishes. Royal Society Open Science. 4: 170350.

2016

  • Laborde, S.; Fernández, A.; Phang, S. C.; Hamilton, I. M.; Henry, N.; Jung, H. C.; Mahamat, A.; Ahmadou, M.; Labara, B. K.; Kari, S.; Durand, M.; Mark, B.; Moritz, M. 2016. Social-ecological feedbacks lead to unsustainable lock-in in an inland fishery. Global Environmental Change.41: 13-25
  • Yoak, A. J.; Reece J. F.; Gehrt, S. D.; Hamilton, I. M. 2016. Optimizing free-roaming dog control programs using agent-based models. Ecological Modelling.341: 53-61
  • Hellmann, J. K.; Sovic, M. G.; Gibbs, H. L.; Reddon, A. R.; O’Connor, C. M.; Ligocki, I. Y.; Marsh-Rollo, S; Balshine, S.; Hamilton, I. M. 2016. Within-group relatedness is correlated with colony-level social structure and reproductive sharing in a social fish. Molecular Ecology.25:4001-4013.
  • Fernández, A.; Nafaji, M. R.; Durand, M.; Mark, B. G.; Moritz, M.; Jung H. C.; Neal, J.; Shastry, A.; Laborde, S.; Phang, S. C.; Hamilton, I. M.; Xiao, N. 2016. Testing the skill of numerical hydraulic modeling to simulate spatiotemporal flooding patterns in the Logone floodplain, Cameroon. Journal of Hydrology.539:265-280
  • Reddon, A. R; O’Connor, C. M.; Ligocki, I. Y.; Hellmann, J. K.; Marsh-Rollo, S. E.; Hamilton, I. M.; Balshine, S. 2016. No evidence for larger brains in cooperatively breeding cichlid fishes. Canadian Journal of Zoology. 94:373-378.
  • Hellmann, J. K.; Ligocki, I. Y.; O’Connor, C. M.; Reddon, A. R.; Farmer, T. M.; Marsh-Rollo, S. E.; Balshine, S.; Hamilton, I. M. 2016. The influence of status and the social environment on energy stores in a social fish. Journal of Fish Biology. 88:1321-1334.
  • Moritz, M.; Laborde, S.; Phang, S.C.; Ahmadou, M.; Durand, M.; Fernandez, A.; Hamilton, I.M.; Kari, S.; Mark, B.; Scholte, P.; Xiao, N.; Ziebe, R. 2016. Studying the Logone Floodplain in Cameroon as a Coupled Human and Natural System. African Journal of Aquatic Sciences. 41:99-108.
  • Udiani, O.; Lou, Y.; Hamilton, I. 2016. On the evolutionary stability of male harassment in a coercive mating game. Tamkang Journal of Mathematics. 47:93-107.

2015

  • Ligocki, I. Y.; Reddon, A. R.; Hellmann, J. K.; O’Connor, C. M.; Marsh-Rollo, S. E.; Balshine, S; Hamilton, I. M.;. 2015. Social status influences responses to unfamiliar conspecifics in a cooperatively breeding fish. Behaviour. 152:1821-1839
  • Ligocki, I. Y.; Earley, R. L.; Hellmann, J. K., Hamilton, I. M. 2015. Variation in glucocorticoid levels in relation to direct and third-party interactions in a social cichlid fish. Physiology & Behavior. 151:386-394
  • O’Connor, C. M.; Reddon, A. R.; Ligocki, I. Y.; Hellmann, J. K.; Garvy, K. A.; Hamilton, I. M.; Balshine, S. 2015. Motivation but not body size influences territorial contest dynamics in a wild cichlid fish. Animal Behaviour. 107:19-29.
  • Hellmann, J. K.; Ligocki, I. Y.; O’Connor, C. M.; Reddon, A. R.; Garvy, K. A.; Marsh-Rollo, S. E.; Gibbs, H. L.; Balshine, S.; Hamilton, I. M. 2015. Reproductive sharing in relation to group and colony-level attributes in a cooperative breeding fish. Proceedings of the Royal Society of London, Series B. 282:20150954
  • Hellmann, J. K.; Reddon, A. R.; Ligocki, I. Y.; O’Connor, C. M.; Garvy, K. A.; Marsh-Rollo, S. E.; Hamilton, I. M.; Balshine, S. 2015. Changes in submissive behaviour in response to social perturbation: Impacts of isotocin and the social landscape. Animal Behaviour. 105: 55-62
  • Hellmann, J. K.; O’Connor, C. M.; Ligocki, I. Y.; Farmer, T. M.; Arnold, T. J.; Reddon, A. R.; Garvy, K. A.; Marsh-Rollo, S. E.; Balshine, S.; Hamilton, I. M. In press. Evidence for alternative male morphs in a Tanganyikan cichlid fish. Journal of Zoology. 296:116-123
  • Moritz, M.; Hamilton, I. M.; Yoak, A. J.; Scholte, P.; Cronley, J.; Maddock, P; Pi, H. 2015. Simple movement rules result in ideal free distribution of mobile pastoralists. Ecological Modelling. 305:54-63
  • Garvy, K. A.; Hellmann, J. K.; Ligocki, I. Y.; Reddon, A. R.; Marsh-Rollo, S. E.; Hamilton, I. M.; Balshine, S.; O’Connor, C. M. 2015. Sex and social status affect territorial defence in a cooperatively breeding cichlid fish, Neolamprologus savoryi. Hydrobiologia. 748:75-85

2014

  • Moritz, M.; Hamilton, I. M.; Scholte, P.; Chen, Y.-J. 2014. Ideal Free Distributions of Mobile Pastoralists in Multiple Seasonal Grazing Areas. Rangeland Ecology & Management 67:641-649
  • O’Connor, C. M.; Reddon, A. R.; Marsh-Rollo, S.; Hellmann, J. K.; Ligocki, I. Y; Hamilton, I. M.; Balshine, S. 2014. A comparative study of an innate immune response in Lamprologine cichlid fishes. Naturwissenschaften 101:839–849
  • Harder, J. D.; Kotheimer, J. K.; Hamilton, I. M. 2014. A regional study of diversity and abundance of small mammals in Ohio. Northeastern Naturalist. 21: 210-233.
  • Hellmann, J. K.; Hamilton, I. M. 2014. The presence of neighbors influences defense against predators in a cooperatively breeding cichlid. Behavioral Ecology. 25: 386-391.
  • Hall, J. C.; Hamilton, I. M. 2014. Religious tradition of conservation associated with greater abundance of a keystone tree species in rural Western Rajasthan, India. Journal of Arid Environments. 103: 11-16
  • Moritz, M.; Hamilton, I. M.; Chen, Y.-J.; Scholte, P. 2014. Mobile pastoralists distribute themselves in an Ideal Free Distribution. Current Anthropology. 55:115-122.
  • Yoak, A. J.; Reese, J. F.; Gehrt, S. D.; Hamilton, I. M. 2014. Disease control through fertility control: Secondary benefits of animal birth control in Indian street dogs. Preventive Veterinary Medicine. 113: 152-156

2013

  • Hamilton, I. M. 2013. The effects of behavioral plasticity and leadership on the predictions of optimal skew models. Behavioral Ecology. 24: 444-456.
  • Moritz, M.; Scholte, P.; Hamilton, I. M.; Kari, S.  2013. Open access, open systems: pastoral management of common-pool resources in the Chad Basin. Human Ecology. 41:351-365.
  • Lindstedt, E.R.; Hamilton, I. M.  2013.  Variation in social information use: the influences of information reliability and mass on decision making in a group-living fish. Journal of Fish Biology. 82: 2095-2103.

2012

  • Hamilton, I. M.; Ligocki, I. Y.  2012.  The extended personality: indirect effects of behavioural syndromes on the behaviour of others in a group-living cichlid.  Animal Behaviour.  84: 659-664.
  • Robertson, S.L.; Hamilton, I. M. 2012.  Habitat selection under the risk of infectious disease.  Evolutionary Ecology Research.  14: 51-72.
  • Bokides, D., Lou, Y.; Hamilton, I. M.  2012.  A model of sexual selection and female use of refuge in a coercive mating system.  Proceedings of the Royal Society of London, Series B.  279: 3209-3216.
  • Hiance, D.; Doogan, N.; Warren, K.; Hamilton, I. M.; Lewis, M.  2012.  An Agent Based Model of Lifetime Attendance and Self-Help Program Growth.  Journal of Social Work Practice in the Addictions.  12: 121-142.
  • Hall, J. C.; Chhangani, A.; Waite, T. A.; Hamilton, I. M. 2012.  The impacts of La Niña induced drought on Indian vulture populations in Western Rajasthan.  Bird Conservation International.  22:247-259

2011

  • Stone, C. M.; Hamilton, I. M.; Foster, W. A. 2011. A survival and reproduction trade-off is resolved in accordance with resource availability by virgin female mosquitoes.  Animal Behavior. 81: 765-774

2010

  • Bergmüller, R.; Schürch, R.; Hamilton, I. M. 2010. Evolutionary causes and consequences of consistent individual variation in cooperative behaviour.  Philosophical Transactions of the Royal Society of London, Series B.  365: 2751-2764.
  • Hamilton I. M. 2010. Foraging theory. In Evolutionary Behavioral Ecology. Edited by Westneat DF; Fox CW. Oxford: Oxford University Press.
  • Hamilton I. M. 2010. Habitat Selection. In Encyclopedia of Animal Behavior. Edited by Stephens DW. Oxford: Elsevier.

2009

  • Heg D.; Jutzeler E.; Mitchell J. S.; Hamilton I. M. 2009. Helpful female subordinate cichlids are more likely to reproduce.  Plos One.  4: e5458.

2008

  • Hamilton, I. M.; Heg, D. 2008. Sex differences in the effect of social status on the growth of subordinates in a co-operatively breeding cichlid.  Journal of Fish Biology.  72: 1079-1088.
  • Heg, D.; Hamilton, I. M. 2008. Tug-of-war over reproduction in a cooperatively breeding cichlid.  Behavioral Ecology and Sociobiology.  62: 1249-1257.

2007

  • Hamilton I. M. 2007. Integrating cooperative breeding with general mechanisms enforcing cooperation: comments and further directions.  Behavioural Processes.  76: 86-89.
  • Hamilton, I. M.; Heg, D. 2007. Clutch-size adjustments and skew models: effects on reproductive partitioning and group stability.  Behavioral Ecology.  18: 467-476.
  • Hamilton I. M. 2007. The ideal free distribution. In Foraging. Edited by Stephens DW; Brown J; Ydenberg RC. Chicago: University of Chicago Press.

2006

  • Bender N.; Heg D.; Hamilton I. M.; Bachar Z.; Taborsky M.; Oliveira R. F. 2006. The relationship between social status, behaviour, growth and steroids in male helpers and breeders of a cooperatively breeding cichlid.  Hormones And Behavior.  50: 173-182.
  • Heithaus M. R.; Hamilton I. M.; Wirsing A. J.; Dill L. M. 2006. Validation of a randomization procedure to assess animal habitat preferences: microhabitat use of tiger sharks in a seagrass ecosystem.  The Journal Of Animal Ecology.  75: 666-676.
  • Hamilton, I. M.; Haesler, M. P.; Taborsky, M. 2006. Predators, reproductive parasites, and the persistence of poor males on leks.  Behavioral Ecology.  17: 97-107.

2005

  • Hamilton I. M.; Taborsky M. 2005. Contingent movement and cooperation evolve under generalized reciprocity.  Proceedings of the Royal Society of London, Series B.  272: 2259-2267.
  • Hamilton I. M.; Taborsky M. 2005. Unrelated helpers will not fully compensate for costs imposed on breeders when they pay to stay.  Proceedings of the Royal Society of London, Series B.  272: 445-454.
  • Hamilton, I. M.; Heg, D.; Bender, N. 2005. Size differences within a dominance hierarchy influence conflict and help in a cooperatively breeding cichlid.  Behaviour.  142: 1591-1613.

2004

  • Dubois F.; Giraldeau L.-A.; Hamilton I. M.; Grant J. W. A.; Lefebvre L. 2004. Distraction sneakers decrease the expected level of aggression within groups: a game-theoretic model.  The American Naturalist.  164: E32.
  • Hamilton, I. M. 2004. A commitment model of reproductive inhibition in cooperatively breeding groups.  Behavioral Ecology.  15: 585-591.
  • Hamilton, I. M. 2004. Distance to neighbours influences the trade-off between hiding after disturbance and defending food patches in convict cichlids (Archocentrus nigrofasciatus).  Behavioral Ecology and Sociobiology.  56: 530-538.
  • Heg, D; Bender, N; Hamilton, I. 2004. Strategic growth decisions in helper cichlids.  Proceedings of the Royal Society of London, Series B.  271, no. Suppl. 6. : S505-S508.

2003

  • Hamilton, I. M.; Dill, L. M. 2003. Group foraging by a kleptoparasitic fish: A strong inference test of social foraging models.  Ecology.  84: 3349-3359.
  • Hamilton, I. M.; Dill, L. M. 2003. The use of territorial gardening versus kleptoparasitism by a subtropical reef fish (Kyphosus cornelii) is influenced by territory defendability.  Behavioral Ecology.  14: 561-568.

2002

  • Hamilton I. M.; Dill L. M. 2002. Three-player social parasitism games: implications for resource defense and group formation.  The American Naturalist.  159: 670-686.
  • Hamilton, I. M.; Dill, L. M. 2002. Monopolization of food by zebrafish (Danio rerio) increases in risky habitats.  Canadian Journal of Zoology.  80: 2164-2169.
  • Hamilton, I. M. 2002. Kleptoparasitism and the distribution of unequal competitors.  Behavioral Ecology.  13: 260-267.

2001

  • Hamilton I. M.; Heithaus M. R. 2001. The effects of temporal variation in predation risk on anti-predator behaviour: an empirical test using marine snails.  Proceedings of the Royal Society of London, Series B.  268: 2585-2588.

2000

  • Hamilton, I. M. 2000. Recruiters and joiners: Using optimal skew theory to predict group size and the division of resources within groups of social foragers.  American Naturalist.  155: 684-695.

1999 and earlier

  • Hamilton, I. M.; Barclay, R. M. R. 1998. Diets of juvenile, yearling, and adult big brown bats (Eptesicus fuscus) in southeastern Alberta.  Journal of Mammalogy.  79: 764-771.
  • Hamilton, I. M.; Barclay, R. M. R. 1998. Ontogenetic influences on foraging and mass accumulation by big brown bats (Eptesicus fuscus).  Journal of Animal Ecology.  67: 930-940.
  • Hamilton IM; Graham KL; Powell GL; Russell AP. 1998. Population survey of the long-toed salamander (Ambystoma macrodactylum) in west-central and northwestern Alberta. Edmonton, AB, Canada: Alberta Environmental Protection.
  • Hamilton IM; Russell AP; Powell GL. 1998. Distribution and abundance of the Canadian toad (Bufo hemiophrys) in Alberta. Edmonton, AB, Canada: Alberta Environmental Protection.
  • Hamilton, I. M.; Barclay, R. M. R. 1994. Patterns of daily torpor and day-roost selection by male and female big brown bats (Eptesicus fuscus).  Canadian Journal of Zoology. 72: 744-749.

In press

  • Yoak, A. J.; Reece, J. F.; Gehrt, S. D.; Hamilton, I. M. In press. A survey of street dog gastro-intestinal helminths in Jaipur and Jodhpur. Indian Veterinary Journal.

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