Whether one is talking about primary sex ratio biases or the simpler fact that adults don't always interact at balanced sex ratios, these biases are intriguing to understand and so are their (sometimes underappreciated and important) consequences.

Kahn, A.T., Jennions, M.D. & Kokko, H. In press. Sex allocation, juvenile mortality, and the costs imposed by offspring on parents and siblings. Journal of Evolutionary Biology.

Holman, L., Price, T., Wedell, N. & Kokko, H. In press. Coevolutionary dynamics of polyandry and selfish genetic elements. Evolution.

haiku

Harts, A. & Kokko, H. 2013. Understanding promiscuity: when is seeking additional mates better than guarding an already found one? Evolution 67: 2838-2848.

haikupdf

Kahn, A.T., Kokko, H. & Jennions, M.D. 2013. Adaptive sex allocation in anticipation of changes in offspring mating opportunities. Nature Communications 4:1603.

haikupdf

Booksmythe, I., Schwanz, L. & Kokko, H. 2013. The complex interplay of sex allocation and sexual selection. Evolution 67: 673-678.

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.

haikupdf

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.

haikupdf

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.

haikupdf

Heinsohn, R., Langmore, N.E., Cockburn, A. & Kokko, H. 2011. Adaptive secondary sex ratio adjustments via sex-specific infanticide in a bird. Current Biology 21:1744-1747.

Fromhage, L. & Kokko, H. 2010. Spatial seed and pollen games: dispersal, sex allocation, and the evolution of dioecy. Journal of Evolutionary Biology 23:1947-1956.

pdf

Kokko, H. & Jennions, M.D. 2008. Parental investment, sexual selection and sex ratios. Journal of Evolutionary Biology 21:919-948.

pdf

Heubel, K., Lindström, K. & Kokko, H. 2008. Females increase reproductive effort when future access to males is uncertain. Biology Letters 4:224-227.