Head of Division
Prof. Dr. Michael Taborsky

Institut für Ökologie und Evolution
Telefon: +41 31 631 91 11
Telefax: +41 31 631 91 41
E-Mail:   claudia.leiser@iee.unibe.ch

Ethologische Station Hasli
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Universität Bern


SCIENCE ADVANCES Alternative male morphs solve sperm performance/longevity trade-off in opposite directions M. Taborsky, D. Schütz, O. Goffinet & G.S.van Doorn


Media release, University of Bern


Reciprocal trading of different commodities in Norway rats. M.K. Schweinfurth & M. Taborsky

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Nature research highlight
Current Biology dispatch

PNAS - Divergence of developmental trajectories is triggered interactively by early social and ecological experience in a cooperative breeder. Fischer, Bohn, Oberhummer, Nyman & B. Taborsky
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commentary on Fischer et al

PNAS - Predation risk drives social complexity in cooperative breeders. Groenewoud, Frommen, Josi, Tanaka, Jungwirth & Taborsky
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The evolution of cooperation based on direct fitness benefits. Phil Trans theme issue compiled and edited by Taborsky M., Frommen JG & Riehl C. (2016)
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NATURE COMMUNICATIONS Kinship reduces alloparental care in cooperative cichlids where helpers pay-to-stay
Zoettl M., Heg D., Chervet N. & Taborsky M. (2013)

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Social competence: an evolutionary approach
Taborsky, B. & Oliveira, R.F.
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Larval helpers and age polyethism in ambrosia beetles
Biedermann P.H.W. & Taborsky M.
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Animal personality due to social niche specialisation
Bergmueller R. & Taborsky M.
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Environmental Change Enhances Cognitive Abilities in Fish
Kotrschal, A. & Taborsky, B.
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Extended phenotypes as signals
Franziska C. Schaedelin and Michael Taborsky
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On the Origin of Species by Natural and Sexual Selection
G. Sander van Doorn, Pim Edelaar, Franz J. Weissing
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Cambridge University Press
Alternative Reproductive Tactics: An Integrative

Oliveira R., Taborsky M. & Brockmann H.J.
more information

Leif Engqvist


  • Engqvist, L. and Reinhold, K. (2017) Adaptive parental effects and how to estimate them: a comment to Bonduriansky & Crean. Methods Ecol. Evol. doi:10.1111/2041-210X.12906 [pdf]
  • Engqvist, L. and Ramm, S. A. (2017) Promiscuity punishes sexual deviants. Mol. Ecol. 26:5359-5361 [pdf]
  • Schweinfurth, M. K., Neuenschwander, J., Engqvist, L., Schneeberger, K., Rentsch, A. K., Gygax, M., Taborsky, M. (2017): Do female Norway rats form social bonds?. Behav. Ecol. Sociobiol. 71:98 [pdf]
  • Engqvist, L. and Taborsky, M. (2017): The evolution of strategic male mating effort in an information transfer framework. J. Evol. Biol. 30:1143-1152 [pdf]


  • Soudi, S., Reinhold, K. and Engqvist, L. 2016): Strong cryptic prezygotic isolation despite lack of behavioural isolation between sympatric host races of the leaf beetle Lochmaea capreaeEvolution 70:2889-2898 [pdf]
  • Engqvist, L. and Reinhold, K. (2016): Adaptive trans-generational phenotypic plasticity and the lack of an experimental control in reciprocal match/mismatch-experiments. Methods Ecol. Evol. 17:1482-1488 [pdf]
  • Engqvist, L. and Taborsky, M. (2016): The evolution of genetic and conditional alternative reproductive tactics. Proc. Roy. Soc. B 283:20152945 [pdf]
  • Soudi, S., Reinhold, K., Engqvist, L. (2016): Genetic architecture underlying host choice differentiation in the sympatric host races of Lochmaea capreae leaf beetles. Genetica 144:147-156 [pdf]
  • Soudi, S., Reinhold, K. and Engqvist, L. (2016): Ecologically dependent and intrinsic genetic signatures of postzygotic isolation between sympatric host races of the leaf beetle Lochmaea capreae. Evolution 70:471-479 [pdf]
  • Radwan, J., Engqvist, L. and Reinhold, K. (2016): A paradox of genetic variance in epigamic traits: beyond „good genes” view of sexual selection. Evol. Biol. 43:267-275 [pdf]


  • Reinhold, K., Engqvist, L., Consul, A. and Ramm, S. A. (2015): Male birch catkin bugs vary copula duration to invest more in matings with novel females. Animal Behaviour 109:161-166 [pdf]
  • Soudi, Sh., Reinhold, K. & Engqvist, L. (2015): Host-associated divergence in sympatric host races of the leaf beetle Lochmaea capreae: implications for local adaptation and reproductive isolation. Biol. J. Linn. Soc. 116:169-182 [pdf]
  • Engqvist, L., Cordes, N. & Rheinhold, K. (2015): Evolution of risk-taking during conspicuous mating displays. Evolution 69: 395-406 [pdf]
  • Nakagawa, S. Poulin, R., Mengersen, K., Reinhold, K., Engqvist, L., Malgorzata Lagisz, M. & Senior, A. M. (2015): Meta-analysis of variation: ecological and evolutionary applications and beyond. Meth. Ecol. Evol. 6:143-152 [pdf]
  • Cordes, N., Albrecht, F., Engqvist, L., Schmoll, T., Baier, M., MĂĽller, C. & Reinhold, K. (2015): Larval food composition affects courtship song and sperm expenditure in a lekking moth. Ecol. Entomol. 40:34-41 [pdf]


  • Baldauf, S.A., Engqvist, L. and Weissing, F.J. (2014): Diversifying evolution of competitiveness. Nat. Comm. 5:5233 [pdf]
  • Lewis, S.M. ,Vahed, K., Koene, J.M., Engqvist, L., Bussière, L., Perry, J.C., Gwynne, D. and Lehmann, G.U.C. (2014): Emerging issues in the evolution of animal nuptial gifts. Biol. Lett. 10:20140336. [pdf]
  • Engqvist, L., Cordes, N., Schwenniger, J. Bakhtina, S. and Schmoll, T. (2014): Female remating behaviour in a lekking moth. Ethology 120:662-671 [pdf]
  • Cordes, N., Engqvist, L., Schmoll, T. & Reinhold, K. (2014): Sexual signalling under predation: Attractive moths take the greater risks. Behav. Ecol. 25:409-414 [pdf]


  • Reinhold, K. & Engqvist, L. (2013): The variability is in the sex chromosomes. Evolution 67: 3662–3668 [pdf]
  • Engqvist, L. (2013): A general description of additive and non-additive elements of sperm competitiveness and their relation to male fertilization success. Evolution 67: 1396-1405 [pdf]
  • Jonker, R.M., GĂĽnther, A., Engqvist, L. & Schmoll, T. (2013): Does systematic variation improve the reproducibility of animal experiments? Nat. Meth. 10:373 [pdf]
  • Baldauf, S.A., Engqvist, L., Ottenheym, T., Bakker, T.C.M & ThĂĽnken, T. (2013): Sex-specific conditional mating strategies in a cichlid fish: implications for sexual conflict. Behav. Ecol. Sociobiol. 67: 1179-1186 [pdf]
  • Cordes, N., YiÄźit, A., Engqvist, L. & Schmoll, T. (2013): Differential sperm expenditure reveals a potential role for post-copulatory sexual selection in a lekking moth. Ecol. Evol. 3: 503-511 [pdf]


  • Engqvist, L. (2012): Evolutionary modeling predicts a decrease in postcopulatory sperm viability as a response to increasing levels of sperm competition. Am. Nat. 179: 667-677 [pdf]
  • Engqvist, L. (2012): Genetic conflicts, male intrinsic fertility, and ejaculate investment. Evolution 66: 2685-2696 [pdf]


  • Engqvist, L. (2011): Male attractiveness is negatively genetically associated with investment in copulations. Behav. Ecol. 22:345-349 [pdf]
  • Frommen, J.G., Herder, F., Engqvist, L., Mehlis, M., Bakker, T.C.M., Schwarzer, J. & ThĂĽnken, T. (2011): Costly plastic morphological responses to predator specific odour cues in three-spined sticklebacks (Gasterosteus aculeatus). Evol. Ecol. 25:641-656 [pdf]
  • Engqvist, L., Sauer, K.P. & Engels, S. (2011): Nutrition- and sex-dependent utilization of body resources in relation to reproduction in a scorpionfly. Biol. J. Linn. Soc. 102: 199-207 [pdf]


  • Mehlis, M., Bakker, T.C.M., Engqvist, L. & Frommen, J.G. (2010): To eat or not to eat: egg-based assessment of paternity triggers fine-tuned decisions about filial cannibalism. Proc. Roy. Soc. B 277: 2627-2635 [pdf]
  • Engqvist, L. & Frommen, J.G. (2010): New insights into the relationship between the h-index and self-citations? J. Am. Soc. Inf. Sci. Technol. 61: 1514-1516 [pdf]


  • Engqvist, L. (2009): Should I stay or should I go? condition and status dependent courtship decisions in the scorpionfly Panorpa cognata. Animal Behaviour 78: 491-497 [pdf]
  • Vermeulen, A., Engels, S., Engqvist, L. & Sauer, K.P. (2009): Phenotypic plasticity in sperm traits in scorpionflies (Mecoptera: Panorpidae): consequences of larval history and seasonality on sperm length and sperm transfer. Eur. J. Entomol. 106: 347-352 [pdf]


  • Engqvist, L. & Frommen, J.G. (2008): Double-blind peer-review and gender publication bias. Anim. Behav. 76(3): e1-e2 [pdf]
  • Missoweit, M., Engqvist, L., Lubjuhn, T. & Sauer, K.P. (2008): Nuptial feeding in the scorpionfly Panorpa vulgaris: maintenance of genetic variance in sexual advertisement through dependence on condition influencing traits. Evol. Ecol. 22: 689-699 [pdf]
  • Engqvist, L. & Frommen, J.G. (2008): The h-index and self-citations. Trends Ecol. Evol. 23: 250-252 [pdf]
  • Engqvist, L. (2008): Genetic variance and genotype reaction norms in response to larval food manipulation for a trait important in scorpionfly sperm competition. Funct. Ecol. 22:127-133 [pdf]


  • Engqvist, L. (2007): Environment-dependent genetic correlations between development time and body mass in a scorpionfly. Zoology 110: 344-353 [pdf]
  • Engqvist, L., Dekomien, G., Lippmann, T., Epplen, J.T. & Sauer, K.P. (2007): Sperm transfer and paternity in the scorpionfly Panorpa cognata: Large variance in traits favoured by postcopulatory episodes of sexual selection. Evol. Ecol. 21: 801-816 [pdf]
  • Engqvist, L. (2007): Male scorpionflies are able to assess the amount of rival sperm transferred by females’ previous mates. Evolution 61: 1489-1494 [pdf]
  • Engqvist, L. (2007): Nuptial food gifts influence female egg production in the scorpionfly Panorpa cognata. Ecol. Entomol. 32: 327-332 [pdf]
  • Engqvist, L. (2007): Sex, food and conflicts: nutrition dependent nuptial feeding and pre-mating struggles in scorpionflies. Behav. Ecol. Sociobiol. 61: 703-710 [pdf]
  • Engqvist, L. & Reinhold, K. (2007): Sperm competition games: optimal sperm allocation in response to the size of competing ejaculates. Proc. Roy. Soc. B 274: 209-217 [pdf]
  • Engqvist, L. (2007): Nuptial gift consumption influences female remating in a scorpionfly: male or female control of mating rate? Evol. Ecol. 21: 49-61 [pdf]


  • Engqvist, L. & Reinhold, K. (2006): Theoretical influence of female mating status and remating propensity on male sperm allocation patterns. J. Evol. Biol. 19: 1448-1458 [pdf]
  • Engqvist, L. (2006): Females benefit from mating with different males in the scorpionfly Panorpa cognata. Behav. Ecol. 17: 435-440 [pdf]
  • Engqvist, L. (2005): The mistreatment of covariate interaction terms in linear model analyses of behavioural and evolutionary ecology studies. Anim. Behav. 70: 967-971 [pdf]
  • Engqvist, L. & Reinhold, K. (2005): Pitfalls in experiments testing predictions from sperm competition theory. J. Evol. Biol. 18: 116-123 [pdf]


  • Reinhold, K. & Engqvist, L. (2004): Inaccurate mimicry and predator ecology. J. Theor. Biol. 229: 433-434 [pdf]
  • Engqvist, L. & Sauer, K.P. (2003): Influence of nutrition on courtship and mating in the scorpionfly Panorpa cognata. Ethology 109: 911-928 [pdf]
  • Engqvist, L. & Sauer, K.P. (2003): Determinants of sperm transfer in the scorpionfly Panorpa cognata: male variation, female condition and copulation duration. J. Evol. Biol. 16: 1196-1204 [pdf]


  • Reinhold, K., Kurtz, J. & Engqvist, L. (2002): Cryptic male choice: sperm allocation strategies when female quality varies. J. Evol. Biol. 15: 201-209 [pdf]
  • Engqvist, L. & Sauer, K.P. (2002): A life history perspective on strategic mating effort in male scorpionflies. Behav. Ecol. 13: 632-636 [pdf]
  • Engqvist, L. & Sauer, K.P. (2002): Amorous scorpionflies: causes and consequences of the long pairing prelude of Panorpa cognata. Anim. Behav. 63: 667-675 [pdf]
  • Engqvist, L. & Sauer, K.P. (2001): Strategic male mating effort and cryptic male choice in a scorpionfly. Proc. Roy. Soc. Lond. B 268: 729-735 [pdf]


  • Kurtz, J., Reinhold, K. & Engqvist, L. (2000): Immunosuppression under stress: necessary for condition-dependent signalling? Trends Ecol. Evol. 15: 418-419 [pdf]
  • Reinhold, K., Engqvist, L., Misof, B. and Kurtz, J. (1999): Meiotic drive and evolution of female choice. Proc. Roy. Soc. Lond. B 266: 1341-1345 [pdf]
  • Förare, J. & Engqvist, L. (1996): Suboptimal patch and plant choice by an ovipositing monophagous moth - An insurance against bad weather? Oikos 77: 301-308 [pdf]