PUBLICATIONS
Science Communication
PEER REVIEWED JOURNALS
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2025
Costa, H., Ramstedt, P., Bergsma, M., Jourdain, E., Morange, Z., Blévin, P., ... & Waugh, C. A. (2025). Deep breath out: molecular survey of selected pathogens in blow and skin biopsies from North Atlantic cetaceans. BMC Veterinary Research, 21(1), 709. Link here
Eckerle, A., Morange, Z., Similä, T., O'Callaghan, S. A., & Jourdain, E. (2026). An Alien in the Arctic: Risso's Dolphins (Grampus griseus) in Northern Norwegian Waters. Marine Mammal Science, 42(1), e70097. Link here
Domenici, P., Johansen, J. L., Karoliussen, R., Leggieri, F., Dykstra, P., & Jourdain, E. (2025). Spatially coordinated predation with division of labor increases feeding success in killer whales. Current Biology. Link here
Baumgartner, C. D., Jourdain, E., Bonhoeffer, S., Borgå, K., Heide-Jørgensen, M. P., Karoliussen, R., ... & Foote, A. D. (2025). Kinship clustering within an ecologically diverse killer whale metapopulation. Heredity, 1-11. Link here
2024
Andvik, C., Jourdain, E., Borgen, A., Lyche, J. L., Karoliussen, R., Haug, T. and Borgå, K. (2024). Intercorrelations of chlorinated paraffins, dechloranes and legacy POPs in 10 species of marine mammals from Norway, in light of dietary niche. Environmental Science & Technology. Link here
Jourdain, E., Karoliussen, R., Fordyce Martin, S. L., Langangen, Ø., Robeck, T., Borgå, K., ... & Foote, A. D. (2024). Social and genetic connectivity despite ecological variation in a killer whale network. Proceedings of the Royal Society B, 291(2021), 20240524. doi: 10.1098/rspb.2024.0524. Link here
Andvik, C., Bories, P., Harju, M., Borgå, K., Jourdain, E., Karoliussen, R., ... & Blévin, P. (2024). Phthalate contamination in marine mammals off the Norwegian coast. Marine Pollution Bulletin, 199, 115936.doi: 10.1016/j.marpolbul.2023.115936. Link here
2023
Haghani, A., Li, C. Z., Robeck, T. R., Zhang, J., Lu, A. T., Ablaeva, J., ... & Singh, K. (2023). DNA methylation networks underlying mammalian traits. Science, 381(6658), eabq5693. doi: 10.1126/science.abq5693. Link here
Remili, A., Dietz, R., Sonne, C., Samarra, F. I., Rikardsen, A. H., Kettemer, L. E., ... & McKinney, M. A. (2023). Quantitative fatty acid signature analysis reveals a high level of dietary specialization in killer whales across the North Atlantic. Journal of Animal Ecology, 92(6), 1216-1229. doi: 10.1111/1365-2656.13920. Link here
2022
Günther, B., Jourdain, E., Rubincam, L., Karoliussen, R., Cox, S. L., & Arnaud Haond, S. (2022). Feces DNA analyses track the rehabilitation of a free-ranging beluga whale. Scientific Reports, 12(1), 6412. doi: 10.1038/s41598-022-09285-8. Link here
Matika, A. F., Jourdain, E., Cade, D. E., Karoliussen, R., and Hammond, P. S. (2022). Feeding characteristics and prey profitability in five herring feeding killer whales (Orcinus orca) in northern Norway. Marine Mammal Science 1-16. doi: 10.1111/mms.12931. Link here
2021
Robeck, T. R., Fei, Z., Lu, A. T., Haghani, A., Jourdain, E., Zoller, J. A., ... & Horvath, S. (2021). Multi-species and multi-tissue methylation clocks for age estimation in toothed whales and dolphins. Communications biology, 4(1), 1-11. doi: 10.1038/s42003-021-02179-x. Link here
Jourdain, E., Goh, T., Kuningas, S., Similä, T., Vongraven, D., Karoliussen, R., Bisther, A. and Hammond, P. S. (2021). Killer whale (Orcinus orca) population dynamics in response to a period of rapid ecosystem change in the eastern North Atlantic. Ecology and Evolution. 00, 1– 18. doi: 10.1002/ece3.8364. Link here
Jourdain, E, Barrett-Lennard LG, Ellis GM, Ford JKB, Karoliussen R, Towers JR and Vongraven D (2021). Natural Entrapments of Killer Whales (Orcinus orca): A Review of Cases and Assessment of Intervention Techniques. Frontiers in Conservation Science, 2: 707616. doi: 10.3389/fcosc.2021.707616. Link here
Andvik, C., Jourdain, E., Lyche, J. L., Karoliussen, R., Borgå, K. (2021). High levels of legacy and emerging contaminants in killer whales (Orcinus orca) from Norway, 2015 to 2017. Environmental Toxicology and Chemistry. doi: 10.1002/etc.5064. Link here
2020
Andvik, C., Jourdain, E., Ruus, A., Lyche, J. L, Karoliussen, R., Borgå, K. (2020). Preying on seals pushes killer whales from Norway above pollution effects thresholds. Scientific Reports; 10: 1-10. doi: 10.1038/s41598-020-68659-y. Link here
Jourdain, E., Andvik, C., Karoliussen, R., Ruus, A, Vongraven, D., Borgå, K. (2020) Isotopic niche differs between seal and fish‐eating killer whales (Orcinus orca) in northern Norway. Ecology and Evolution, 10: 4115-4127. doi: 10.1002/ece3.6182. Link here
Bjørge A, Ryeng K, Jourdain E, Wiig J (2020) A short note on unusual high frequency of cetacean strandings in Northern Norway , 28 th March – 2 nd May 2020. IWC report SC/68B/E/06. Link here
2019
Jourdain, E., Ugarte, F., Víkingsson, G. A., Samarra, F. I. P., Ferguson S. H., Lawson, J., Vongraven, D. and Desportes, G. (2019). North Atlantic killer whale Orcinus orca populations: a review of current knowledge and threats to conservation. Mammal Review, 49: 384-400. doi: 10.1111/mam.12168. Link here
Jourdain, E., Karoliussen, R., de Vos, J., Zakharov, S. and Tougard, C. (2019). Killer whales (Orcinus orca) feeding on lumpfish (Cyclopterus lumpus) in Northern Norway. Marine Mammal Science, 36: 89-102. doi: 10.1111/mms.12618. Link here
Jourdain, E., Karoliussen, R., Curé, C., Massenet, M., Barrett-Lennard, L. and Ellis, G. (2019). A case of natural killer whale (Orcinus orca) entrapment in Northern Norway: from assessment to rescue. Aquatic Mammals, 45(1): 14-20. doi: 10.1578/AM.45.1.2019.14. Link here
2017
Alves, F., Towers, J. R., Baird, R. W., Bearzi, G., Bonizzoni, S., Ferreira, R., Halicka, Z., Alessandrini, A., Kopelman, A. H., Yzoard, C., Rasmussen, M. H., Bertulli, C. G., Jourdain, E., Gullan, A., Rocha, D., Hupman, K., Mrusczok, M.-T., Samarra, F. I. P., Magalhães, S., Weir, C. R., Ford, J. K. B. and Dinis, A. (2017). The incidence of bent dorsal fins in free-ranging cetaceans. Journal of Anatomy. doi: 10.1111/joa.12729. Link here
Jourdain, E., Samarra, F. I. P., Tavares, S. B. and Karoliussen, R. (2017). Incidence of probable vertebral column deformities in Norwegian and Icelandic killer whales (Orcinus orca). Aquatic Mammals, 43(6): 682-690. doi: 10.1578/AM.43.6.2017.682. Link here
Jourdain, E., Vongraven, D., Bisther, A., and Karoliussen, R. (2017). First longitudinal study of seal-feeding killer whales (Orcinus orca) in Norwegian coastal waters. PloS One, 12(6): e0180099. doi: 10.1371/journal.pone.0180099. Link here
Jourdain, E. and Vongraven D (2017). Humpback whale (Megaptera novaeangliae) and killer whale (Orcinus orca) feeding aggregations for foraging on herring (Clupea harengus) in Northern Norway. Mammalian Biology - Zeitschrift für Säugetierkunde, 86: 27-32. doi: 10.1016/j.mambio.2017.03.006. Link here
BOOKS
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Parsons, K. M., Krützen, M., Gerber, L., Jourdain, E., Konrad Clarke, C. M., Martien, K. K. and Foote, A. D. (2025). The role of kinship in shaping cetacean societies. In: The Evolution of Cetacean Societies (in press).
REPORTS
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Technical report: Independent Science Panel on SRKW Recovery (2025). Strengthening recovery actions for Southern Resident killer whales. Link here
Cathrine Brecke Gundersen, Maja Nipen, Malcolm Reid, Anders Ruus, Pawel Rostkowski, Pierre Blévin, Eve Marie Jourdain, Claudia Junge, Kine Bæk, Thomas Rundberget et al. (2024). Screening Programme 2023. NIVA report. Link here
Jourdain, Eve., Aasen, Vegard. B., Erdal, Olve V. & Johnsen Simon (2022). Identification Catalogue of the Killer whales that frequent inner Vestlandet. Figshare. Dataset. doi: 10.6084/m9.figshare.19350476. Link here
Jourdain, E. and Karoliussen, R. Photo-Identification Catalogue of Norwegian killer whales 2007-2021. Figshare. Dataset. doi:10.6084/m9.figshare.4205226. Link to the latest version here
CONFERENCE PROCEEDINGS
We regularly attend conferences to communicate our latest findings and expand our network. Attended conferences include the Society of Environmental Toxicology and Chemistry (SETAC), the annual conference of the European Cetacean Society (ECS), the biennial conference of the Society for Marine Mammalogy (SMM) and the meeting of the Association for the Study of Animal Behavior (ASAB).
UNIVERSITY DISSERTATIONS
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Milne, Stephanie J. (2025). Dietary trends and mercury accumulation in Norwegian killer whales across two contrasting periods of Norwegian Spring-Spawning herring abundance. Master thesis, University of Oslo, Norway.
Veys, Marie-Laure (2025). Group decision-making behaviour and social interactions of killer whales in Hardangerfjord, Norway. IMBRsea, Ghent University, Belgium.
Eckerle, Alexander (2024). First description and Photo ID catalogue of the Risso's dolphin Grampus griseus population off northern Norway. Bachelor thesis. University of Munich, Germany.
Lee, Kiah (2024). Diet variability in Norwegian killer whales (Orcinus orca): evidence from quantitative fatty acid signature analysis (QFASA) and mercury levels. Master thesis. University of Oslo, Norway.
Catasús Folgueras, Elena (2023). Photo-identification and seasonal occurrence of long-finned pilot whales (Globicephala melas) off Vesterålen, northern Norway. Master thesis, Ghent University, Belgium.
Fagerlund, Carl (2023). Estimating the biomagnifying potential of mercury and chlorinated paraffins in a Norwegian Arctic food web and in killer whale (Orcinus orca). Master thesis. University of Oslo, Norway.
Falch, Amanda (2023). Spatiotemporal distribution of killer whales (Orcinus orca) along the Norwegian coast: a MaxEnt species distribution model including citizen science data. Master thesis. University of Oslo, Norway.
Høgh Åslein, Emma (2023). Killer whale (Orcinus orca) predation on harbour porpoise (Phocoena phocoena) in Hardangerfjord, western Norway. Master thesis. University of Oslo, Norway.
Jourdain, E. (2020). Dietary variations and specializations of killer whales (Orcinus orca) in Norway. Doctoral thesis. University of Oslo, Norway.
Matika, Aimee (2019). Dive characteristics, foraging energetics and prey profitability in northern Norwegian killer whale. BSc (Hons) thesis. University of St Andrews, UK.
Goh, Tiffany (2019). Investigating variation in survivorship of northern Norwegian killer whales from 1986-2018 during a period of rapid ecosystem change. Master thesis. University of St Andrews, UK.
Andvik, Clare (2019). The effect of dietary preferences on the levels of organoohalogen contaminants and mercury in Norwegian killer whales. Master thesis. University of Oslo, Norway.
