Welcome to the Department of Biology

Department of Biology at Illinois State University
Department of Biology

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Dr. Scott Sakaluk

Distinguished Professor of Zoology
  • CURRENT COURSES
  • BSC 196.Sec 001 Biological Diversity
  • BSC 499.Sec 005 Independent Research For The Masters Thesis
  • BSC 290.Sec 025 Research In Biological Sciences
  • BSC 599.Sec 006 Research In The Biological Sciences
  • TEACHING INTERESTS
  • Animal Behavior, Evolution
  • RESEARCH INTERESTS
  • Behavioral Ecology, Evolutionary Biology, Avian Biology, Entomology
  • Ph D Zoology - 1986
  • University of Toronto
  • Toronto, Ontario, Canada
  • MS Biology - 1981
  • Brock University
  • St. Catharines, Ontario, Canada
  • BS Biology - 1978
  • Brock University
  • St. Catharines, Ontario, Canada
  • Dissertation/Thesis topic: Honors
  • SELECTED PUBLICATIONS
  • Sakaluk, S.K., Thompson, C.F. and E.K. Bowers. in press. Experimental manipulation of incubation period reveals no apparent costs of incubation in house wrens. Animal Behaviour.
  • Bowers, E.K., Sakaluk, S.K. and C.F. Thompson. 2017. Interactive effects of parental age on offspring fitness and age-assortative mating in a wild bird. Journal of Experimental Zoology 327: 302-310.
  • Rapkin, J., Jensen, K., Archer, R., House, C.M., Sakaluk, S.K., del Castillo, E. and J. Hunt. in press. The geometry of nutrient-space based life-history trade-offs: sex-specific effects of macronutrient intake on the trade-off between encapsulation ability and reproductive effort in decorated crickets. American Naturalist.
  • Capodeanu-Nägler, A., Eggert, A.-K., Vogel, H., Sakaluk, S.K. and S. Steiger. in press. Species divergence in offspring begging and parental provisioning is linked to nutritional dependency of larval burying beetles. Behavioral Ecology.
  • Dorset, E.E., Sakaluk, S.K. and C.F. Thompson. 2017. Behavioral plasticity in response to perceived predation risk in breeding house wrens. Evolutionary Biology 44: 227-239.
  • Will, D.S., Dorset, E.E., Thompson, C.F., Sakaluk, S.K. and E. Keith Bowers. 2017. Size of nest-cavity entrance influences male attractiveness and paternal provisioning in house wrens. Journal of Zoology 302: 1-7.
  • Rapkin, J., Jensen, K., House, C.M., Sakaluk, S.K., Sakaluk, J.K. and J. Hunt. 2017. The complex interplay between macronutrient intake, cuticular hydrocarbon expression and mating success in male decorated crickets. Journal of Evolutionary Biology 30: 711-727.
  • Bowers, E.K., Thompson C.F. and S.K. Sakaluk. 2017. Maternal natal environment and breeding territory predict the condition and sex ratio of offspring. Evolutionary Biology 44: 11-20.
  • Ower, G.D., Hunt, J. and S.K. Sakaluk. 2017. Multivariate sexual selection on male tegmina in wild populations of sagebrush crickets, Cyphoderris strepitans (Orthoptera: Haglidae). Journal of Evolutionary Biology 30: 338-351.
  • Luzar, A.B., Schweizer, R., Sakaluk, S.K. and S. Steiger. 2017. Access to a carcass, but not mating opportunities, influences paternal care in burying beetles. Behavioral Ecology and Sociobiology 71:7.
  • Bowers, E.K., Grindstaff, J.L., Soukup, S.S., Drilling, N.E., Eckerle, K.P., Sakaluk, S.K. and C.F. Thompson. 2016. Spring temperatures influence selection on breeding date and the potential for phenological mismatch in a migratory bird. Ecology 97: 2880-2891.
  • Capodeanu-Nägler, A., Keppner, E.M., Vogel, H., Ayasse, M., Eggert, A.-K., Sakaluk, S.K. and S. Steiger. 2016. From facultative to obligatory parental care: Interspecific variation in offspring dependency on post-hatching care in burying beetles. Scientific Reports 6:29323.
  • Strange, M.S., Bowden, R.M., Thompson, C.F. and S.K. Sakaluk. 2016. Pre- and post-natal effects of corticosterone on fitness-related traits and the timing of endogenous corticosterone production in a songbird. Journal of Experimental Zoology 325A: 347-359.
  • Bowers, E.K., Bowden, R.M., Thompson, C.F. and S.K. Sakaluk. 2016. Elevated corticosterone during egg production elicits increased maternal investment and promotes nestling growth in a wild songbird. Hormones and Behavior 83: 6-13.
  • Bowers, E.K., Sakaluk, S.K. and C.F. Thompson. 2016. No effect of blood sampling or phytohaemagglutinin injection on post-fledging survival in a wild songbird. Ecology and Evolution 6: 3107-3114.
  • Bowers, E.K., Thompson, C.F. and S.K. Sakaluk. 2016. Within-female plasticity in sex allocation is associated with a behavioral polyphenism in house wrens. Journal of Evolutionary Biology 29: 602-616.
  • Rapkin, J., Jensen, K., Lane, S.M., House, C.M., Sakaluk, S.K. and J. Hunt. 2016. Macronutrient intake regulates sexual conflict in decorated crickets. Journal of Evolutionary Biology 29: 395-406.
  • Steiger, S, Capodeanu-Nägler, A., Gershman, S.N., Weddle, C.B., Rapkin, J., Sakaluk, S.K. and J. Hunt. 2015. Female choice for male cuticular hydrocarbon profile in decorated crickets is not based on similarity to their own profile. Journal of Evolutionary Biology 28: 2175-2186.
  • Mulrey, T.E.P., Eggert, A.-K. and S.K. Sakaluk. 2015. Switching tactics: phenotypic plasticity in the alternative mate-finding tactics of burying beetles. Animal Behaviour 108: 175-182.
  • Duffield, K.R., Hunt, J., Rapkin, J., Sadd, B.M. and S. K. Sakaluk. 2015. Terminal investment in the gustatory appeal of nuptial food gifts in crickets. Journal of Evolutionary Biology 28: 1872-1881.
  • Pauchet, Y., Wielsch, N., Wilkinson, P.A., Sakaluk, S.K., Svatoš, A., ffrench-Constant, R.H., Hunt, J. and D.G. Heckel. 2015. What’s in the gift? Towards a molecular dissection of nuptial feeding in a cricket. PLoS One 10(10): e0140191.
  • Bowers, E.K., Forsman, A.M., Masters, B.S., Johnson, B.G.P., Johnson, L.S., Sakaluk, S.K. and C.F. Thompson. 2015. Increased extra-pair paternity in broods of aging males and enhanced recruitment of extra-pair young in a migratory bird. Evolution 69: 2533-2541.
  • Hodges, C.J., Bowers, E.K., Thompson, C.F. and S.K. Sakaluk. 2015. Cascading costs of reproduction in female house wrens induced to lay larger clutches. Journal of Evolutionary Biology 28: 1383-1393.
  • Bowers, E.K., Bowden, R.M., Sakaluk, S.K. and C.F. Thompson. 2015. Immune activation generates corticosterone-mediated terminal reproductive investment in a wild bird. American Naturalist 185: 769-783.
  • Bowers, E.K., White, A., Lang, A., Podgorski, L., Thompson, C.F., Sakaluk, S.K., Jaeckle, W.B. and R.G. Harper. 2015. Eggshell porosity covaries with egg size among female house wrens (Troglodytes aedon) but is unrelated to incubation onset and egg-laying order within clutches. Canadian Journal of Zoology 93: 421-425.
  • Barnett, C.A., Suzuki, T.N., Sakaluk, S.K. and C.F. Thompson. 2015. Mass-based condition measures and their relationship with fitness: in what condition is condition? Journal of Zoology 296: 1-5.
  • Bowers, E.K., Thompson, C.F. and S.K. Sakaluk. 2015. Persistent sex-by-environment effects on offspring fitness and sex-ratio adjustment in a wild bird population. Journal of Animal Ecology 84: 473-486.
  • Sakaluk, S.K., Wilson, A.J., Bowers, E.K., Johnson, L.S., Masters, B.S., Johnson, B.G.P., Vogel, L.A., Forsman, A.M. and C.F. Thompson. 2014. Genetic and environmental variation in condition, cutaneous immunity, and haematocrit in house wrens. BMC Evolutionary Biology 14:242.
  • Capodeanu-Nägler, A., Rapkin, J., Sakaluk, S.K., Hunt, J. and S. Steiger. 2014. Experimental alteration of cuticular hydrocarbons reveals self-recognition in crickets via on-line processing. Current Biology 24: R1117-R1118.
  • Bowers, E.K., Hodges, C.J., Forsman, A.M., Vogel, L.A., Masters, B.S., Johnson, B.G.P., Johnson, L.S., Thompson, C.F. and S.K. Sakaluk. 2014. Neonatal body condition, immune responsiveness, and hematocrit predict longevity in a wild bird population. Ecology 95: 3027-3034.
  • Bowers, E.K., Nietz, D, Thompson, C.F. and S.K. Sakaluk. 2014. Parental provisioning in house wrens: effects of varying brood size and consequences for offspring. Behavioral Ecology 25: 1485-1493.
  • Sakaluk, S.K., Weddle, C.B., Mitchell, C. and J. Hunt. 2014. Signal reliability, sex-specific genotype-by-environment interactions in cuticular hydrocarbon expression and the maintenance of polyandry through chemosensory self-referencing in decorated crickets, Gryllodes sigillatus. In Genotype-by-environment interactions and sexual selection (eds J. Hunt & D.J. Hosken), pp. 312-330. Chichester, UK: Wiley-Blackwell.
  • Hunt, J. and S. K. Sakaluk. 2014. Mate choice. In The evolution of insect mating systems (eds D.M. Shuker & L.W. Simmons), pp. 129-158. Oxford, UK: Oxford University Press.
  • Lothery, C.J., Thompson, C.F., Lawler, M.L. and S.K. Sakaluk. 2014. Food supplementation fails to reveal a trade-off between incubation and maintenance in female house wrens. PLoS One 9: e106260.
  • Barnett, C. A., Sakaluk, S. K. and C.F. Thompson. 2014. Aggressive displays by male house wrens are comprised of multiple components that predict attack. Journal of Field Ornithology 85: 56-62.
  • Thompson, C.F., Sakaluk, S.K., Masters, B.S., Johnson, B.P.G., Vogel, L.A., Forsman, A.M. and L.S. Johnson. 2014. Condition-dependent sex difference in nestling house wrens (Troglodytes aedon) response to phytohaemagglutinin injection. Canadian Journal of Zoology 92: 1-7.
  • Bowers, E.K., Thompson, C.F. and S.K. Sakaluk. 2014. Offspring sex ratio varies with clutch size for female house wrens induced to lay supernumerary eggs. Behavioral Ecology 25: 165–171.
  • Weddle, C.B., Steiger, S., Hamaker, C.G., Mitchell, C., Sakaluk, S.K. and J. Hunt. 2013. Cuticular hydrocarbons as a basis for chemosensory self-referencing in crickets: a potentially universal mechanism facilitating polyandry in insects. Ecology Letters 16: 346-353.
  • Gershman, S.N., Hunt, J. and S.K. Sakaluk. 2013. Food fight: sexual conflict over free amino acids in the nuptial gifts of male decorated crickets. Journal of Evolutionary Biology 26: 693-704.
  • Ower, G.D., Judge, K.A., Steiger, S., Caron, K.J., Smith, R.A., Hunt, J. and S.K. Sakaluk. 2013. Multivariate sexual selection on male song structure in wild populations of sagebrush crickets, Cyphoderris strepitans (Orthoptera: Haglidae). Ecology and Evolution 3: 3590-3603.
  • Archer, C.R., Sakaluk, S.K., Selman, C., Royle, N.J. and J. Hunt. 2013. Oxidative stress and the evolution of sex differences in lifespan and ageing in the decorated cricket, Gryllodes sigillatus. Evolution 67: 620-634.
  • Weddle, C.B., Hunt, J. and S.K. Sakaluk. 2013. Self-referent phenotype matching and its role in female mate choice in arthropods. Current Zoology 59: 239-248.
  • Steiger, S., Ower, G.D., Stökl, J., Mitchell, C., Hunt, J. and S.K. Sakaluk. 2013. Sexual selection on cuticular hydrocarbons of male sagebrush crickets in the wild. Proceedings of the Royal Society B 280: 20132353.
  • Bowers, E.K., Sakaluk, S.K. and C.F. Thompson. 2013. Sibling cooperation influences age of nest leaving in an altricial bird. American Naturalist 181: 775-786.
  • Barnett, C.A., Thompson, C.F., and S.K. Sakaluk. 2012. Aggressiveness, boldness and parental food provisioning in male house wrens (Troglodytes aedon). Ethology 118: 984-993.
  • Gershman, S.N., Mitchell C., Sakaluk, S.K. and J. Hunt. 2012. Biting off more than you can chew: sexual selection on the free amino acid composition of the spermatophylax in decorated crickets. Proceedings of the Royal Society B 279: 2531-2538.
  • Steiger, S., Gershman, S.N., Pettinger, A.M., Eggert, A.-K. and S.K. Sakaluk. 2012. Dominance status and sex influence nutritional state and immunity in burying beetles Nicrophorus orbicollis. Behavioral Ecology 23: 1126-1132.
  • Bowers, E.K., Sakaluk, S.K. and C.F. Thompson. 2012. Experimentally increased egg production constrains future reproduction of female house wrens. Animal Behaviour 83: 495-500.
  • Gordon, D.G., Gershman, S.N. and S.K. Sakaluk. 2012. Glycine in nuptial food gifts of decorated crickets decreases female sexual receptivity when ingested, but not when injected. Animal Behaviour 83: 369-375.
  • Sutherland, J.L., Thompson, C.F. and S.K. Sakaluk. 2012. No effect of carotenoid supplementation on PHA response or body condition of nestling house wrens. Physiological and Biochemical Zoology 85: 21-28.
  • Grana, S.C., Sakaluk, S.K., Bowden, R.M., Doellman, M.A., Vogel, L.A. and C.F. Thompson. 2012. Reproductive allocation in female house wrens is not influenced by experimentally altered male attractiveness. Behavioral Ecology and Sociobiology 66: 1247-1258.
  • Bowers, E.K., Smith, R.A., Hodges, C.J., Zimmerman, L.M., Thompson, C.F. and S.K. Sakaluk. 2012. Sex-biased terminal investment in offspring induced by maternal immune challenge in the house wren (Troglodytes aedon). Proceedings of the Royal Society B 279: 2891-2898.
  • Weddle, C.B., Mitchell, C., Bay, S.K., Sakaluk, S.K. and J. Hunt. 2012. Sex-specific genotype-by-environment interactions for cuticular hydrocarbon expression in decorated crickets, Gryllodes sigillatus: implications for the evolution of signal reliability. Journal of Evolutionary Biology 25: 2112-2125.
  • Archer, C.R., Zajitschek, F., Sakaluk, S.K., Royle, N.J and J. Hunt. 2012. Sexual selection affects the evolution of lifespan and ageing in the decorated cricket Gryllodes sigillatus. Evolution 66: 3088-3100.
  • Bowers, E.K., Sakaluk, S.K. and C.F. Thompson. 2011. Adaptive sex allocation in relation to hatching synchrony and offspring quality in house wrens. American Naturalist 177: 617-629.
  • Pettinger, A.M., Steiger, S., Müller, J.K., Sakaluk, S.K. and A.K. Eggert. 2011. Dominance status and carcass availability affect the outcome of sperm competition in burying beetles. Behavioral Ecology 22:1079–1087.
  • Masters, B.S., Johnson, L.S., Johnson, B.G.P., Brubaker, J., Sakaluk, S.K. and C. F. Thompson. 2011. Evidence for heterozygote instability in microsatellite loci in house wrens. Biology Letters 7: 127-130.
  • Clairardin, S.G., Barnett, C.A., Sakaluk, S.K. and C.F. Thompson. 2011. Experimentally increased in ovo testosterone leads to increased bactericidal activity and decreased cutaneous immune response in nestling house wrens. Journal of Experimental Biology 214: 2778-2782.
  • Steiger, S., Gershman, S.N., Pettinger, A.M., Eggert, A.-K. and S.K. Sakaluk. 2011. Sex differences in immunity and rapid upregulation of immune defense during parental care in the burying beetle, Nicrophorus orbicollis. Functional Ecology 25: 1368–1378.
  • Barnett, C.A., Clairardin, S.G., Thompson, C.F., and S.K. Sakaluk. 2011. Turning a deaf ear: a test of the manipulating androgens hypothesis in house wrens. Animal Behaviour 81: 113-120.
  • Forsman, A.M., Sakaluk, S.K., Thompson, C.F. and L.A. Vogel. 2010. Cutaneous immune activity, but not innate immune responsiveness, covaries with mass and environment in nestling house wrens (Troglodytes aedon). Physiological and Biochemical Zoology 83: 512-518.
  • Kerr, A.M., Gershman, S.N. and S.K. Sakaluk. 2010. Experimentally-induced spermatophore production and immune responses reveal a trade-off in crickets. Behavioral Ecology 21: 647-654.
  • Gershman, S.N., Barnett, C.A., Pettinger, A.M., Weddle, C.B., Hunt, J. and S.K. Sakaluk. 2010. Give ‘til it hurts: tradeoffs between immunity and male reproductive effort in inbred and outbred decorated crickets, Gryllodes sigillatus. Journal of Evolutionary Biology 23: 829–839.
  • Gershman, S.N., Barnett, C.A., Pettinger, A.M., Weddle, C.B., Hunt, J. and S.K. Sakaluk. 2010. Inbred decorated crickets exhibit higher measures of macroparasitic immunity than outbred individuals. Heredity 105: 282-289.
  • DeMory, M.L., Thompson, C.F. and S.K. Sakaluk. 2010. Male quality influences male provisioning in house wrens independent of attractiveness. Behavioral Ecology 21: 1156-1164.
  • Gershman, S.N. and S.K. Sakaluk. 2010. Mate quality and novelty influence post-copulatory female choice in decorated crickets, Gryllodes sigillatus. Ethology 116: 1113-1117.
  • PRESENTATIONS
  • FUNDED GRANTS
  • Million Dollar Club
  • Illinois State University
  • 2009