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In the Ethology division we study animal behavior mainly based on Tinbergen’s four questions. This means we are interested in i) the function and fitness effects of variation in behavior, ii) the developmental background to variation in behavior, iii) the mechanisms behind variation in behavior and iv) the phylogenetic patterns of variation in behavior. For this, we use an array of techniques spanning across field observations, lab experiments and phylogenetic comparative analyses to study behavior in different taxa.

Foraging decisions

Animal personality

Fish brain. Foto: Alex Kotraschal.

Brain evolution

Lövsångare. Foto: Johanna Hedlund.

Climate Change and Behaviour

Collective Behaviour


Adaptive colouration



Sexual Selection

Foto: Christina Hansen Wheat, Stockholm University.

Social Behaviour

Våra senaste publikationer

Simon Eckerström-Liedholm, Will Sowersby, Sergey Morozov, Wouter van der Bijl, Piotr K. Rowiński, Alejandro Gonzalez-Voyer, Björn Rogell. 2019. Macroevolutionary evidence suggests trait-dependent coevolution between behavior and life-history. Evolution 73: 2312-2323.

Matthew C. Kustra, Ariel F. Kahrl, Aaron M. Reedy, Daniel A. Warner, Robert M. Cox. 2019. Sperm morphology and count vary with fine-scale changes in local density in a wild lizard population. Oecologia 191: 555-564.

Maider Iglesias-Carrasco, Rebecca J. Fox, Regina Vega-Trejo, Michael D. Jennions, Megan L. Head. 2019. An experimental test for body size-dependent effects of male harassment and an elevated copulation rate on female lifetime fecundity and offspring performance. Journal of Evolutionary Biology 32: 1262-1273.

Christina Hansen Wheat, Wouter van der Bijl, Hans Temrin. 2019. Dogs, but Not Wolves, Lose Their Sensitivity Toward Novelty With Age. Frontiers in Psychology 10.

Amy Rowley, Lisa Locatello, Ariel Kahrl, Mariana Rego, Annika Boussard, Eduardo Garza-Gisholt, Ryan M. Kempster, Shaun P. Collin, Eva Giacomello, Maria C. Follesa, Cristina Porcu, Jonathan P. Evans, Fabio Hazin, Francisco Garcia-Gonzalez, Toby Daly-Engel, Carlotta Mazzoldi, John L. Fitzpatrick. 2019. Sexual selection and the evolution of sperm morphology in sharks. Journal of Evolutionary Biology 32: 1027-1035.

Lucie Marhounová, Alexander Kotrschal, Kristina Kverková, Niclas Kolm, Pavel Nemec. 2019. Artificial selection on brain size leads to matching changes in overall number of neurons. Evolution 73: 2003-2012.


Avdelningsansvarig: Niclas Kolm

Personal: Etologi

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