When adaptation proceeds, population performance becomes surprisingly often compromised. Here are plenty of examples how it can happen.

Day, E. & Kokko, H. In press. Relaxed selection when you least expect it: why declining bird populations might fail to respond to phenological mismatches. Oikos.

Kokko, H., Griffith, S.C. & Pryke, S.R. 2014. The hawk-dove game in a sexually reproducing species explains a colourful polymorphism in an endangered bird. Proceedings of the Royal Society of London B 281:20141794.

Harts, A., Schwanz, L. & Kokko, H. 2014. Demography can favour female-advantageous alleles. Proceedings of the Royal Society of London B 281:20140005.

Shaw, A.K., Jalasvuori, M. & Kokko, H. 2014. Population-level consequences of risky dispersal. Oikos 123:1003-1013.

Lehtonen, J., Schmidt, D.J., Heubel, K. & Kokko, H. 2013. Evolutionary and ecological implications of sexual parasitism. Trends in Ecology & Evolution 28:297-306.

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.

Lehtonen, J., Jennions, M.D. & Kokko, H. 2012. The many costs of sex. Trends in Ecology & Evolution 27:172–178.

Kokko, H. 2011. Directions in modelling partial migration: how adaptation can cause a population decline and why the rules of territory acquisition matter. Oikos 120: 1826–1837.

Kokko, H. & Heubel, K.U. 2011. Prudent males, group adaptation, and the tragedy of the commons. Oikos 120: 641–656 (an invited Per Brinck Oikos Award article).

Rankin, D.J., Dieckmann, U. & Kokko, H. 2011. Sexual conflict and the tragedy of the commons. American Naturalist 177:780-791.

Delgado, M.D.M, Ratikainen, I.I. & Kokko, H. 2011. Inertia: the discrepancy between individual and common good in dispersal and prospecting behaviour. Biological Reviews 86:717-732.

López-Sepulcre, A., Kokko, H. & Norris, K. 2010. Evolutionary conservation advice for despotic populations: Habitat heterogeneity favours conflict and reduces productivity in Seychelles Magpie Robins. Proceedings of the Royal Society of London B 277:3477-3482.

Heubel, K.U., Rankin, D.J. & Kokko, H. 2009. How to go extinct by mating too much: Population consequences of male mate choice and efficiency in a sexual-asexual species complex. Oikos 118:513-520.

López-Sepulcre, A., Norris, K. & Kokko, H. 2009. Reproductive conflict delays the recovery of an endangered social species. Journal of Animal Ecology 78:219-225.

Kokko, H., Heubel, K. & Rankin, D.J. 2008. How populations persist when asexuality requires sex: the spatial dynamics of coping with sperm parasites. Proceedings of the Royal Society of London B 275: 817-825.

Rankin, D.J., Bargum, K. & Kokko, H. 2007. The tragedy of the commons in evolutionary biology. Trends in Ecology & Evolution 22:643-651.

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. 1999. Cuckoldry and the stability of biparental care. Ecology Letters 2:247-255.

Kokko, H. 1999. Competition for early arrival in migratory birds. Journal of Animal Ecology 68:940-950.