Personal profile
About Me
I study social behaviours in wildlife vertebrates. I am especially interested in trade-offs between glucocorticoid and sex steroids, reproductive success, and survival. Specifically, I am fascinated by costs associated with steroid circulation that are sex specific, related to individual identity, personality, or life-history theory. My long-term studies take place in the field, under natural conditions, utilizing non-invasive matrices that integrate circulating steroids over time (e.g., hairs, feathers, claws, and saliva). Changes in steroid concentrations and associated behavioural changes can provide valuable information on the well being of individuals, groups, and populations.
Fields of interest:
Wildlife hormones and social behaviour
- Sex differences in reproductive strategies
- Testosterone and maternal behaviour
- Testosterone, glucocorticoids, risk-taking behaviour, and fitness
- Sex differences in the effects of prenatal hormones
- Comparative endocrinology
Behavioural Ecology
- Life history traits and trade-offs
- Courtship and mating
- Operational sex ratios
- Social organization
- Acoustic communication
Conservation
- Human impact on wildlife
- Wildlife impact on humans
- Interactions between domesticated or introduced animals and wildlife
Education/Academic qualification
PhD, Tel Aviv University
Jan 2001 → Jan 2007
Award Date: 1 Jan 2007
Master's Degree, Tel Aviv University
Jan 1998 → Jan 2000
Award Date: 1 Jan 2000
Bachelor, Tel Aviv University
Jan 1994 → Jan 1997
Award Date: 1 Jan 1997
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Collaborations and top research areas from the last five years
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Developing objective tools to study rock hyrax (Procavia capensis) behaviour in the field
Brotier, H., Alba-Gonzalez, P., Kannan, P., Geffen, E., Ilany, A. & Koren, L., Feb 2026, In: PLoS ONE. 21, 2 February, e0343302.Research output: Contribution to journal › Article › peer-review
Open Access -
In vivo semen characterization and seasonal variation in Procavia capensis
Raz, T., Warick, H. A., Asulin-Schnaiderman, S., Shidlovsky, N., Weizmann, N. & Koren, L., 1 Jan 2026, In: Reproduction and Fertility. 7, 1Research output: Contribution to journal › Article › peer-review
Open Access -
Alerting components in animal vocalization
Demartsev, V., Geva, Y., Alba-González, P., Koren, L., Ilany, A. & Geffen, E., Dec 2025, In: Animal Behaviour. 230, 123373.Research output: Contribution to journal › Article › peer-review
Open Access1 Scopus citations -
Density-dependent network structuring within and across wild animal systems
Albery, G. F., Becker, D. J., Firth, J. A., De Moor, D., Ravindran, S., Silk, M., Sweeny, A. R., Vander Wal, E., Webber, Q., Allen, B., Babayan, S. A., Barve, S., Begon, M., Birtles, R. J., Block, T. A., Block, B. A., Bradley, J. E., Budischak, S., Buesching, C. & Burthe, S. J. & 90 others, , Nov 2025, In: Nature Ecology and Evolution. 9, 11, p. 2002-2013 12 p.Research output: Contribution to journal › Article › peer-review
Open Access5 Scopus citations -
Drivers of individual differences in the sleep behaviour of fallow deer neonates
Mortlock, E., English, H., Börger, L., Matas, D., Koren, L., Capellini, I. & Jennings, D., Mar 2025, In: Journal of Animal Ecology. 94, 3, p. 449-461 13 p.Research output: Contribution to journal › Article › peer-review
Open Access4 Scopus citations
Activities
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Departmental Seminar/Colloquium: Sexually opposite effects of testosterone on social status and mating in wild rock hyrax
Koren, L. (Invited speaker)
2019 → …Activity: Talk or presentation › Oral presentation
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International Congress of Neuroendocrinology
Koren, L. (Participation - Conference participant)
15 Jul 2018 → 18 Jul 2018Activity: Participating in or organizing an event › Organizing a conference, workshop, ...
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Departmental Seminar/Colloquium: Sexually opposite effects of testosterone on social status and mating in wild rock hyrax
Koren, L. (Invited speaker)
2018 → …Activity: Talk or presentation › Oral presentation
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Society for Conservation Biology (External organization)
Koren, L. (Member)
2018 → …Activity: Membership › Membership of association
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Conference Contributed
Koren, L. (Invited speaker)
12 Aug 2018 → 16 Aug 2018Activity: Talk or presentation › Invited talk
Thesis
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Hyrax Socialization: First Evidence for a Matriarchal Society
koren, L. (Author), Geffen, E. (Supervisor) & Mokady, O. (Supervisor), 2000Student thesis: MA Thesis
Profiles
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Heloise Brotier
- Bar-Ilan University - Faculty of Life Sciences, The Mina and Everard Goodman Faculty of Life Sciences - at Bar-Ilan University - PhD Student
Person: Teaching, PhD Student