Male-female interactions are a much broader topic than ‘mere’ mate choice aspects would suggest. Males and females may be selected to look or to behave differently in many ways, and this has a lot of consequences. Here we also try to answer the question why males (in the sense of being sperm or pollen producers) exist in the first place.
Ekrem, R.K. & Kokko, H. 2023. Sexual conflict over phenological traits: Selection for protandry can lock populations into temporally mismatched reproduction. Evolution 77:789-800. | |
Kokko, H. & Jennions, M.D. 2023. Is more always better when it comes to mating? PLoS Biology 21:e3001955. | |
Luepold, S.B., Kokko, H., Grendelmeier, A. & Pasinelli, G. 2023. Habitat detection, habitat assessment, or mating benefits: what drives conspecific attraction in a nomadic songbird? J. Anim. Ecol. 92: 195-206. | |
Kovalov, V. & Kokko, H. 2022. Selection for male stamina can help explain costly displays with cost-minimizing female choice. Behav. Ecol. Sociobiol. 76: 69. | |
Klein, K., Kokko, H. & ten Brink, H. 2021. Disentangling verbal arguments: intralocus sexual conflict in haplodiploids. American Naturalist 198: 678–693. | |
Li, X.-Y. & Kokko, H. 2021. Sexual dimorphism driven by intersexual resource competition: why is it rare, and where to look for it? Journal of Animal Ecology 90: 1831-1843. | |
Constable, G.W.A. & Kokko, H. 2021. Parthenogenesis and the evolution of anisogamy. Cells 10: 2467. | |
Brunton-Martin, A.L., Gaskett, A.C. & Kokko, H. 2021. Resilience of haplodiploids to being exploited by sexually deceptive plants. Oikos 130: 2053–2063. | |
Kokko, H. 2021. The tired copepod and the definition of sexual selection: a comment on Shuker and Kvarnemo. Behavioral Ecology 32:795–802. | |
Ismail, S. & Kokko, H. 2020. An analysis of mating biases in trees. Molecular Ecology 29: 184-198. | |
Aubier, T., Kokko, H. & Joron, M. 2019. Coevolution of male and female mate choice can destabilise reproductive isolation. Nature Communications 10: 5122. | |
Safari, I., Goymann, W. & Kokko, H. 2019. Male-only care and cuckoldry in black coucals: does parenting hamper sex life? Proc. R. Soc. B 286: 20182789. | |
Li, X.-Y. & Kokko, H. 2019. Intersexual resource competition and the evolution of sex-biased dispersal. Front. Ecol. Evol. 7: 111. | |
Li, X.-Y. & Kokko, H. 2019. Sex-biased dispersal: a review of the theory. Biol. Rev. 94: 721-736. | |
Kokko, H. 2018. When sex differences lead to extinction. Nature 556: 315-316 [News & Views of Martins et al. 2018]. | |
Shaw, A., Kokko, H. & Neubert, M. 2018. Sex differences and Allee effects shape the dynamics of sex-structured invasions. Journal of Animal Ecology 87: 36-46. | |
Kokko, H. 2017. Give one species the task to come up with a theory that spans them all: what good can come out of that? Proc. R. Soc. B 284: 20171652. | |
Fromhage, L., Jennions, M. & Kokko, H. 2015. The evolution of sex roles in mate searching. Evolution 70-3: 617–624. | |
Henshaw, J.M., Kokko, H. & Jennions, M.D. 2015. Direct reciprocity stabilises simultaneous hermaphroditism at high mating rates: a model of sex allocation with egg trading. Evolution 69: 2129–2139. | |
haiku pdf | Kokko, H. & Hochberg, M.E. 2015. Towards cancer-aware life-history modelling. Philosophical Transactions of the Royal Society B 370: 20140234. |
haiku pdf | Shaw, A.K. & Kokko, H. 2015. Dispersal evolution in the presence of Allee effects can speed up or slow down invasions. American Naturalist 185: 631–639. |
haiku pdf | Boddy, A.M., Kokko, H., Breden. F., Wilkinson, G. & Aktipis, C.A. 2015. Cancer susceptibility and reproductive trade-offs: a model of the evolution of cancer defences. Philosophical Transactions of the Royal Society B 370: 20140220. |
haiku pdf | Holman, L., Price, T., Wedell, N. & Kokko, H. 2015. Coevolutionary dynamics of polyandry and sex-linked meiotic drive. Evolution 69: 709–720. |
haiku pdf | Umbers, K.D.L., Symonds, M.R.E. & Kokko, H. 2015. The mothematics of female pheromone signalling: strategies for aging virgins. American Naturalist 185: 417–432. |
Henshaw, J.M., Jennions, M.D. & Kokko, H. 2014. The economics of egg-trading: mating rate, sperm competition, and positive frequency-dependence. Dynamic Games and Applications 4: 379–390. | |
haiku | Shaw, A.K. & Kokko, H. 2014. Mate finding, Allee effects, and selection for sex-biased dispersal. Journal of Animal Ecology 83: 1256–1267. |
Harts, A., Schwanz, L. & Kokko, H. 2014. Demography can favour female-advantageous alleles. Proceedings of the Royal Society of London B 281: 20140005. | |
Fromhage, L. & Kokko, H. 2014. Sexually selected traits evolve positive allometry when some matings occur irrespective of the trait. Evolution 68: 1332–1338. | |
Kokko, H. & Jennions, M.D. 2014. The relationship between sexual selection and sexual conflict. In: The Genetics and Biology of Sexual Conflict (S. Gavrilets and W.R. Rice, eds.) Cold Spring Harbor Press 18: a017517. | |
Henshaw, J.M., Marshall, D.J., Jennions, M.D. & Kokko, H. 2014. Local gamete competition explains sex allocation and fertilization strategies in the sea. American Naturalist 184: E32–E49. | |
Holman, L. & Kokko, H. 2014. The evolution of genomic imprinting: costs, benefits and long-term consequences. Biological Reviews 89: 568–587. | |
haiku | Harts, A. & Kokko, H. 2013. Understanding promiscuity: when is seeking additional mates better than guarding an already found one? Evolution 67: 2838–2848. |
haiku | Holman, L. & Kokko, H. 2013. The consequences of polyandry for population viability, extinction risk and conservation. Philosophical Transactions of the Royal Society of London B 368: 20120053. |
haiku | Kahn, A.T., Schwanz, L. & Kokko, H. 2013. Paternity protection can provide a kick-start for the evolution of male-only parental care. Evolution 67: 2207–2217. |
haiku pdf | Kokko, H., Booksmythe, I. & Jennions, M.D. 2013. Causality and sex roles: prejudice against patterns? A reply to Ah-King. Trends in Ecology & Evolution 28: 2–4. |
haiku pdf | Kokko, H. & Mappes, J. 2013. Multiple mating by females is a natural outcome of a null model of mate encounters. Entomologia Experimentalis et Applicata 146: 26–37. |
Vahl, W., Boiteau, G., de Heij, M.E., MacKinley, P.D. & Kokko, H. 2013. Female fertilization: effects of sex-specific density and sex ratio determined experimentally for Colorado potato beetles and Drosophila fruit flies. PLoS one 8: e60381. | |
haiku pdf | Kokko, H., Klug, H.M. & Jennions, M.D. 2012. Unifying cornerstones of sexual selection: operational sex ratio, Bateman gradient, and the scope for competitive investment. Ecology Letters 15: 1340-1351. |
haiku pdf | Jennions, M.D., Kahn, A.T., Kelly, C.D. & Kokko, H. 2012. Meta-analysis and sexual selection: past studies and future possibilities. Evolutionary Ecology 26: 1119-1151. |
haiku pdf | Jennions, M.D., Kokko, H. & Klug, H. 2012. The opportunity to be misled in studies of sexual selection. Journal of Evolutionary Biology 25: 591-598. |
haiku | McCartney, J., Kokko, H., Heller, K.-G. & Gwynne, D.T. 2012. The evolution of sex differences in mate searching when females benefit: new theory and a comparative test. Proceedings of the Royal Society of London B 279: 1225–1232. |
Kokko, H. & Jennions, M.D. 2012. Sex differences in parental care. Pages 101-116 in: The Evolution of Parental Care (N. Royle, P.T. Smiseth and M. Kölliker, eds.) Oxford University press. | |
haiku pdf | Lehtonen, J. & Kokko, H. 2012. Positive feedback and alternative stable states in inbreeding, cooperation, sex roles and other evolutionary processes. Philosophical Transactions of the Royal Society of London B 367: 211-221. |
haiku | Mokkonen, M., Kokko, H., Koskela, E., Lehtonen, J., Mappes, T., Martiskainen, H. & Mills, S.C. 2011. Negative frequency-dependent selection of sexually antagonistic alleles in Myodes glareolus. Science 334: 972-974. |
haiku pdf | Meier, C.M., Starrfelt, J. & Kokko, H. 2011. Mate limitation causes sexes to coevolve towards more similar dispersal kernels. Oikos 120: 1459–1468. |
haiku pdf | Rankin, D.J., Dieckmann, U. & Kokko, H. 2011. Sexual conflict and the tragedy of the commons. American Naturalist 177: 780-791. |
Lehtonen, J. & Kokko, H. 2011. Two roads to two sexes: unifying gamete competition and gamete limitation in a single model of anisogamy evolution. Behavioral Ecology and Sociobiology 65: 445-459. | |
haiku | Anthes, N., David, P., Auld, J.R., Hoffer, J.N.A., Jarne, P., Koene, J.M., Kokko, H., Lorenzi, M.C., Pelissié, B., Sprenger, D., Staikou, A. & Schärer, L. 2010. Bateman gradients in hermaphrodites: An extended approach to quantify sexual selection. American Naturalist 176: 249-263. |
Jennions, M.D. & Kokko, H. 2010. Sexual selection. Pages 343-364 in: Evolutionary Behavioral Ecology (D.F. Westneat & C.W. Fox, eds.) Oxford University press. | |
haiku | Booksmythe, I., Kokko, H. & Jennions, M.D. 2010. Sexual selection: the weevils of inbreeding. Current Biology 20: R672-R673. |
Klug, H., Heuschele, J., Jennions, M.D. & Kokko, H. 2010a. The mismeasurement of sexual selection. Journal of Evolutionary Biology 23: 447-462. | |
Klug, H., Lindström, K. & Kokko, H. 2010b. Who to include in measures of sexual selection is no trivial matter. Ecology Letters 13: 1094-1102. | |
Eliassen, S. & Kokko, H. 2008. Current analyses do not resolve whether extra-pair paternity is male or female driven. Behavioral Ecology and Sociobiology 62: 1795-1804. | |
Jeschke, J.M. & Kokko, H. 2008. Mortality and other determinants of bird divorce rate. Behavioral Ecology and Sociobiology 63: 1-9. | |
Kokko, H. & Jennions, M.D. 2008. Parental investment, sexual selection and sex ratios. Journal of Evolutionary Biology 21: 919-948. | |
Knopp, T., Heimovirta, M., Kokko, H. & Merilä, J. 2008. Do male moor frogs (Rana arvalis) lek with kin? Molecular Ecology 17: 2522-2530. | |
Heubel, K., Lindström, K. & Kokko, H. 2008. Females increase reproductive effort when future access to males is uncertain. Biology Letters 4: 224-227. | |
Kokko, H. & Jennions, M.D. 2008. Sexual conflict: Battle of the sexes reversed. Current Biology 18: R121-R123. | |
haiku pdf | Kokko, H. & Wong, B.B.M. 2007. What determines sex roles in mate searching? Evolution 61: 1162-1175. |
Rankin, D.J. & Kokko, H. 2007. Do males matter? The role of males in population dynamics. Oikos 116: 335-348. | |
Kokko, H., Jennions, M.D. & Brooks, R. 2006. Unifying and testing models of sexual selection. Annual Reviews of Ecology, Evolution and Systematics 37: 43-66. | |
Kokko, H., Gunnarsson, T.G., Morrell, L.J. & Gill, J.A. 2006. Why do female migratory birds arrive later than males? Journal of Animal Ecology 75: 1293-1303. | |
Pizzari, T. et al. (23 authors) 2006. Debating sexual selection and mating strategies. Science 312: 690 (Correspondence). | |
Rankin, D.J. & Kokko, H. 2006. Sex, death and tragedy. Trends in Ecology & Evolution 21: 225-226. | |
Stoehr, A. & Kokko, H. 2006. Sex differences in immunocompetence: what does life history theory predict? Behavioral Ecology 17: 751-756. | |
Välimäki, P., Kaitala, A. & Kokko, H. 2006. Temporal patterns in reproduction may explain variation in mating frequencies in the green-veined white butterfly Pieris napi. Behavioral Ecology and Sociobiology 61: 99-107. | |
Kokko, H. & Rankin, D.J. 2006. Lonely hearts or sex in the city? Density-dependent effects in mating systems. Philosophical Transacions of the Royal Society of London B 361: 319-334. | |
Kokko, H. & Morrell, L.J. 2005. Mate guarding, male attractiveness and paternity under social monogamy. Behavioral Ecology 16: 724-731. | |
Härdling, R., Kokko, H. & Elwood, R.W. 2004. Priority versus brute force: when should males begin guarding resources? American Naturalist 163: 240-252. | |
Kokko, H. & Brooks, R. 2003. Sexy to die for? Sexual selection and the risk of extinction. Annales Zoologici Fennici 40: 207-219 (invited review). | |
Kokko, H. & Jennions, M. 2003. It takes two to tango. Trends in Ecology & Evolution 18: 103-104. | |
Kokko, H., Ranta, E., Ruxton, G.D. & Lundberg, P. 2002. Sexually transmitted disease and the evolution of mating systems. Evolution 56: 1091-1100. | |
Ruckstuhl, K.E. & Kokko, H. 2002. Modelling sexual segregation in ungulates: effects of group size, activity budgets and synchrony. Animal Behaviour 64: 909-914. | |
Kokko, H., Mackenzie, A., Reynolds, J. D., Lindström, J. & Sutherland, W. J. 1999. Measures of inequality are not equal. American Naturalist 154: 358-382. | |
Lindström, J. & Kokko, H. 1998. Sexual reproduction and population dynamics: the role of polygyny and demographic sex differences. Proceedings of the Royal Society of London B 265: 483-488. |