All Stories

  1. Range‐Wide Genomic Analysis Reveals Regional and Meta‐Population Dynamics of Decline and Recovery in the Grey Seal

    Article • Molecular Ecology, June 2025, Wiley

    Dr Jonas Teilmann

  2. Direct hearing measurements in a baleen whale suggest ultrasonic sensitivity

    Article • Science, November 2024, American Association for the Advancement of Science

    Dr Jonas Teilmann

  3. Synchronization of bowhead whales

    Article • Physical Review Research, August 2024, American Physical Society (APS)

    Dr Jonas Teilmann

  4. Capture and Release of Minke Whales Offers New Research Opportunities, Including Measurements of Mysticete Hearing

    Article • Aquatic Mammals, July 2024, Aquatic Mammals Journal

    Dr Jonas Teilmann

  5. Low hunting costs in an expensive marine mammal predator

    Article • Science Advances, May 2024, American Association for the Advancement of Science

    Dr Jonas Teilmann

  6. Harbour porpoise (Phocoena phocoena) in the Wadden Sea World Heritage Site and requirements for trilateral monitoring

    Article • Marine Biodiversity, April 2024, Springer Science + Business Media

    Anita Gilles, Dr Jonas Teilmann

  7. Wild harbour porpoises startle and flee at low received levels from acoustic harassment device

    Article • Scientific Reports, October 2023, Springer Science + Business Media

    Dr Jonas Teilmann

  8. Implications of porpoise echolocation and dive behaviour on passive acoustic monitoring

    Article • The Journal of the Acoustical Society of America, October 2023, Acoustical Society of America (ASA)

    Dr Jonas Teilmann

  9. Future seasonal changes in habitat for Arctic whales during predicted ocean warming

    Article • Science Advances, July 2022, American Association for the Advancement of Science

    Dr Jonas Teilmann

  10. Forecasting shifts in habitat suitability of three marine predators suggests a rapid decline in inter‐specific overlap under future climate change

    Article • Ecology and Evolution, July 2022, Wiley

    Dr Jonas Teilmann

  11. Estimating the abundance of the critically endangered Baltic Proper harbour porpoise (Phocoena phocoena) population using passive acoustic monitoring

    Article • Ecology and Evolution, February 2022, Wiley

    Dr Jonas Teilmann

  12. High heart rates in hunting harbour porpoises

    Article • Proceedings of the Royal Society B Biological Sciences, November 2021, Royal Society Publishing

    Dr Jonas Teilmann

  13. Animal tag technology keeps coming of age: an engineering perspective

    Article • Philosophical Transactions of the Royal Society B Biological Sciences, June 2021, Royal Society Publishing

    Dr Jonas Teilmann

  14. Heart rate and startle responses in diving, captive harbour porpoises (Phocoena phocoena) exposed to transient noise and sonar

    Article • Biology Open, June 2021, The Company of Biologists

    Dr Jonas Teilmann

  15. Echolocation activity of harbour porpoises, Phocoena phocoena , shows seasonal artificial reef attraction despite elevated noise levels close to oil and gas platforms

    Article • Ecological Solutions and Evidence, January 2021, Wiley

    Dr Jonas Teilmann

  16. A comparison of CTD satellite-linked tags for large cetaceans - bowhead whales as real-time autonomous sampling platforms

    Article • Deep Sea Research Part I Oceanographic Research Papers, January 2020, Elsevier

    Dr Jonas Teilmann

  17. Long‐term sound and movement recording tags to study natural behavior and reaction to ship noise of seals

    Article • Ecology and Evolution, February 2019, Wiley

    Dr Jonas Teilmann

  18. A field effort to capture critically endangered vaquitas Phocoena sinus for protection from entanglement in illegal gillnets

    Article • Endangered Species Research, January 2019, Inter-Research Science Center

    Dr Jonas Teilmann

  19. High field metabolic rates of wild harbour porpoises

    Article • Journal of Experimental Biology, December 2018, The Company of Biologists

    Dr Jonas Teilmann

  20. Basin-scale distribution of harbour porpoises in the Baltic Sea provides basis for effective conservation actions

    Article • Biological Conservation, October 2018, Elsevier

    Dr Jonas Teilmann

  21. Environmental benefits of leaving offshore infrastructure in the ocean

    Article • Frontiers in Ecology and the Environment, July 2018, Wiley

    Dr Jonas Teilmann

  22. Click communication in wild harbour porpoises (Phocoena phocoena)

    Article • Scientific Reports, June 2018, Springer Science + Business Media

    Dr Jonas Teilmann

  23. Oceanic movements, site fidelity and deep diving in harbour porpoises from Greenland show limited similarities to animals from the North Sea

    Article • Marine Ecology Progress Series, June 2018, Inter-Research Science Center

    Dr Jonas Teilmann

  24. Noise affects porpoise click detections – the magnitude of the effect depends on logger type and detection filter settings

    Article • Bioacoustics, May 2018, Taylor & Francis

    Jakob Tougaard, Dr Jonas Teilmann

  25. Population Wide Decline in Somatic Growth in Harbor Seals—Early Signs of Density Dependence

    Article • Frontiers in Ecology and Evolution, May 2018, Frontiers

    Dr Jonas Teilmann

  26. Predicting the impacts of anthropogenic disturbances on marine populations

    Article • Conservation Letters, May 2018, Wiley

    Dr Jonas Teilmann

  27. Environmental drivers of harbour porpoise fine-scale movements

    Article • Marine Biology, April 2018, Springer Science + Business Media

    Dr Jonas Teilmann

  28. High rates of vessel noise disrupt foraging in wild harbour porpoises ( Phocoena phocoena )

    Article • Proceedings of the Royal Society B Biological Sciences, February 2018, Royal Society Publishing

    Dr Jonas Teilmann

  29. Echoes from the past: Regional variations in recovery within a harbour seal population

    Article • PLOS One, January 2018, PLOS

    Dr Jonas Teilmann

  30. Fine-scale movement responses of free-ranging harbour porpoises to capture, tagging and short-term noise pulses from a single airgun

    Article • Royal Society Open Science, January 2018, Royal Society Publishing

    Dr Jonas Teilmann

  31. Response to “Resilience of harbor porpoises to anthropogenic disturbance: Must they really feed continuously?”

    Article • Marine Mammal Science, December 2017, Wiley

    Dr Jonas Teilmann

  32. Antarctic seals: Molecular biomarkers as indicators for pollutant exposure, health effects and diet

    Article • The Science of The Total Environment, December 2017, Elsevier

    Dr Jonas Teilmann

  33. Silent porpoise: potential sleeping behaviour identified in wild harbour porpoises

    Article • Animal Behaviour, November 2017, Elsevier

    Andrew John Wright, Dr Jonas Teilmann

  34. Long-term tag retention on two species of small cetaceans

    Article • Marine Mammal Science, February 2017, Wiley

    Dr Jonas Teilmann

  35. Shift of grey seal subspecies boundaries in response to climate, culling and conservation

    Article • Molecular Ecology, September 2016, Wiley

    Dr Jonas Teilmann

  36. Comparing Distribution of Harbour Porpoises (Phocoena phocoena) Derived from Satellite Telemetry and Passive Acoustic Monitoring

    Article • PLOS One, July 2016, PLOS

    Dr Jonas Teilmann

  37. Assessing auditory evoked potentials of wild harbor porpoises (Phocoena phocoena)

    Article • The Journal of the Acoustical Society of America, July 2016, Acoustical Society of America (ASA)

    Dr Jonas Teilmann

  38. Ultra-High Foraging Rates of Harbor Porpoises Make Them Vulnerable to Anthropogenic Disturbance

    Article • Current Biology, June 2016, Elsevier

    Dr Jonas Teilmann

  39. Phocine distemper virus (PDV) seroprevalence as predictor for future outbreaks in harbour seals

    Article • Veterinary Microbiology, February 2016, Elsevier

    Dr Jonas Teilmann

  40. Review of Low-Level Bioacoustic Behavior in Wild Cetaceans: Conservation Implications of Possible Sleeping Behavior

    Article • January 2016, Springer Science + Business Media

    Dr Jonas Teilmann

  41. Quantitative Measures of Anthropogenic Noise on Harbor Porpoises: Testing the Reliability of Acoustic Tag Recordings

    Article • January 2016, Springer Science + Business Media

    Dr Jonas Teilmann

  42. Impacts of Underwater Noise on Marine Vertebrates: Project Introduction and First Results

    Article • January 2016, Springer Science + Business Media

    Dr Jonas Teilmann

  43. Pingers cause temporary habitat displacement in the harbour porpoise Phocoena phocoena

    Article • Marine Ecology Progress Series, April 2015, Inter-Research Science Center

    Dr Jonas Teilmann

  44. First report on a newborn grey seal pup (Halichoerus grypus) in the Danish Wadden Sea since the 16th Century

    Article • Marine Biodiversity Records, January 2015, Cambridge University Press

    Dr Jonas Teilmann

  45. Defining management units for cetaceans by combining genetics, morphology, acoustics and satellite tracking

    Article • Global Ecology and Conservation, January 2015, Elsevier

    Dr Jonas Teilmann

  46. Developing a new research tool for use in free-ranging cetaceans: recovering cortisol from harbour porpoise skin

    Article • Conservation Physiology, January 2015, Oxford University Press (OUP)

    Dr Jonas Teilmann, Andrew John Wright

  47. Movements of walruses (Odobenus rosmarus) between Central West Greenland and Southeast Baffin Island, 2005-2008

    Article • NAMMCO Scientific Publications, December 2014, University Library at Tromso

    Dr Jonas Teilmann

  48. Do larger tag packages alter diving behavior in harbor porpoises?

    Article • Marine Mammal Science, November 2014, Wiley

    Dr Jonas Teilmann, Andrew John Wright

  49. Limited use of sea ice by the Ross seal (Ommatophoca rossii), in Amundsen Sea, Antarctica, using telemetry and remote sensing data

    Article • Polar Biology, October 2014, Springer Science + Business Media

    Dr Jonas Teilmann

  50. Large-scale static acoustic survey of a low-density population—Estimating the abundance of the Baltic Sea harbor porpoise

    Article • The Journal of the Acoustical Society of America, October 2014, Acoustical Society of America (ASA)

    Dr Jonas Teilmann

  51. Large scale surveys for cetaceans: Line transect assumptions, reliability of abundance estimates and improving survey efficiency – A response to MacLeod

    Article • Biological Conservation, February 2014, Elsevier

    Dr Jonas Teilmann, Anita Gilles

  52. Integrating genetic data and population viability analyses for the identification of harbour seal (Phoca vitulina) populations and management units

    Article • Molecular Ecology, January 2014, Wiley

    Dr Jonas Teilmann

  53. Abundance of harbour porpoises (Phocoena phocoena) in the western Baltic, Belt Seas and Kattegat

    Article • Marine Biology, January 2014, Springer Science + Business Media

    Dr Jonas Teilmann, Anita Gilles

  54. Effects of noise and by-catch on a Danish harbour porpoise population

    Article • Ecological Modelling, January 2014, Elsevier

    Dr Jonas Teilmann

  55. Status of the harbour seal (<i>Phoca vitulina</i>) in Southern Scandinavia

    Article • NAMMCO Scientific Publications, September 2013, University Library at Tromso

    Dr Jonas Teilmann

  56. Disturbance-induced responses of VHF and satellite tagged harbour seals

    Article • Aquatic Conservation Marine and Freshwater Ecosystems, September 2013, Wiley

    Dr Jonas Teilmann

  57. Cetacean abundance and distribution in European Atlantic shelf waters to inform conservation and management

    Article • Biological Conservation, August 2013, Elsevier

    Dr Jonas Teilmann, Anita Gilles

  58. Environmental impact of wind energy

    Article • Environmental Research Letters, July 2013, Institute of Physics Publishing

    Dr Jonas Teilmann

  59. Re-established stony reef attracts harbour porpoises Phocoena phocoena

    Article • Marine Ecology Progress Series, May 2013, Inter-Research Science Center

    Dr Jonas Teilmann

  60. Biosonar, diving and movements of two tagged white-beaked dolphin in Icelandic waters

    Article • Deep Sea Research Part II Topical Studies in Oceanography, April 2013, Elsevier

    Dr Jonas Teilmann

  61. PFAS profiles in three North Sea top predators: metabolic differences among species?

    Article • Environmental Science and Pollution Research, March 2013, Springer Science + Business Media

    Dr Jonas Teilmann, Prof Dr Christian Sonne

  62. Possible Causes of a Harbour Porpoise Mass Stranding in Danish Waters in 2005

    Article • PLOS One, February 2013, PLOS

    Dr Jonas Teilmann, Andrew John Wright

  63. How a simple adaptive foraging strategy can lead to emergent home ranges and increased food intake

    Article • Oikos, February 2013, Wiley

    Dr Jonas Teilmann

  64. Evaluation of immune and stress status in harbour porpoises (Phocoena phocoena): can hormones and mRNA expression levels serve as indicators to assess stress?

    Article • BMC Veterinary Research, January 2013, Springer Science + Business Media

    Dr Jonas Teilmann

  65. Negative long term effects on harbour porpoises from a large scale offshore wind farm in the Baltic—evidence of slow recovery

    Article • Environmental Research Letters, December 2012, Institute of Physics Publishing

    Dr Jonas Teilmann

  66. Spatial interactions between marine predators and their prey: herring abundance as a driver for the distributions of mackerel and harbour porpoise

    Article • Marine Ecology Progress Series, November 2012, Inter-Research Science Center

    Dr Jonas Teilmann

  67. Movements and site fidelity of harbour seals (Phoca vitulina) in Kattegat, Denmark, with implications for the epidemiology of the phocine distemper virus

    Article • ICES Journal of Marine Science, October 2012, Oxford University Press (OUP)

    Dr Jonas Teilmann

  68. Biosonar, dive, and foraging activity of satellite tracked harbor porpoises (Phocoena phocoena)

    Article • Marine Mammal Science, September 2012, Wiley

    Dr Jonas Teilmann

  69. Geographic, seasonal, and diurnal surface behavior of harbor porpoises

    Article • Marine Mammal Science, August 2012, Wiley

    Dr Jonas Teilmann, Dr Jonas Teilmann

  70. Population structure of harbour porpoises in the Baltic region: evidence of separation based on geometric morphometric comparisons

    Article • Journal of the Marine Biological Association of the United Kingdom, June 2012, Cambridge University Press

    Dr Jonas Teilmann

  71. Correlation between the seasonal distribution of harbour porpoises and their prey in the Sound, Baltic Sea

    Article • Marine Biology, February 2012, Springer Science + Business Media

    Dr Jonas Teilmann

  72. Spatial trends of perfluorochemicals in harbor seals (Phoca vitulina) from Danish waters

    Article • The Science of The Total Environment, January 2012, Elsevier

    Dr Jonas Teilmann, Prof Dr Christian Sonne

  73. Managing Underwater Noise in European Waters: Implementing the Marine Strategy Framework Directive

    Article • January 2012, Springer Science + Business Media

    Dr Jonas Teilmann

  74. From echolocation clicks to animal density—Acoustic sampling of harbor porpoises with static dataloggers

    Article • The Journal of the Acoustical Society of America, January 2012, Acoustical Society of America (ASA)

    Dr Jonas Teilmann

  75. Behavioural responses of harbour seals to human-induced disturbances

    Article • Aquatic Conservation Marine and Freshwater Ecosystems, December 2011, Wiley

    Dr Jonas Teilmann

  76. Investigations of Thyroid and Stress Hormones in Free-Ranging and Captive Harbor Porpoises (Phocoena phocoena): A Pilot Study

    Article • Aquatic Mammals, December 2011, Aquatic Mammals Journal

    Dr Jonas Teilmann

  77. Tissue healing in two harbor porpoises (Phocoena phocoena) following long-term satellite transmitter attachment

    Article • Marine Mammal Science, August 2011, Wiley

    Dr Jonas Teilmann, Andrew John Wright, Prof Dr Christian Sonne

  78. Investigation of mercury concentrations in fur of phocid seals using stable isotopes as tracers of trophic levels and geographical regions

    Article • Polar Biology, April 2011, Springer Science + Business Media

    Dr Jonas Teilmann

  79. Harbour porpoises ( Phocoena phocoena ) and wind farms: a case study in the Dutch North Sea

    Article • Environmental Research Letters, April 2011, Institute of Physics Publishing

    Dr Jonas Teilmann

  80. Acoustic surveys confirm the high-density areas of harbour porpoises found by satellite tracking

    Article • ICES Journal of Marine Science, March 2011, Oxford University Press (OUP)

    Dr Jonas Teilmann

  81. High-density areas for harbor porpoises (Phocoena phocoena) identified by satellite tracking

    Article • Marine Mammal Science, December 2010, Wiley

    Dr Jonas Teilmann, Jakob Tougaard

  82. First Confirmed Record of Grey Seals in Greenland

    Article • ARCTIC, December 2010, The Arctic Institute of North America

    Dr Jonas Teilmann

  83. Modelling spatial patterns in harbour porpoise satellite telemetry data using maximum entropy

    Article • Ecography, March 2010, Wiley

    Dr Jonas Teilmann

  84. Optimizing survey design for Scandinavian harbour seals: population trend as an ecological quality element

    Article • ICES Journal of Marine Science, February 2010, Oxford University Press (OUP)

    Dr Jonas Teilmann

  85. Mitochondrial Control Region and microsatellite analyses on harbour porpoise (Phocoena phocoena) unravel population differentiation in the Baltic Sea and adjacent waters

    Article • Conservation Genetics, December 2009, Springer Science + Business Media

    Dr Jonas Teilmann

  86. The effect of a large Danish offshore wind farm on harbor and gray seal haul-out behavior

    Article • Marine Mammal Science, December 2009, Wiley

    Dr Jonas Teilmann

  87. Stress level in wild harbour porpoises ( Phocoena phocoena) during satellite tagging measured by respiration, heart rate and cortisol

    Article • Journal of the Marine Biological Association of the United Kingdom, July 2009, Cambridge University Press

    Dr Jonas Teilmann

  88. Pile driving zone of responsiveness extends beyond 20 km for harbor porpoises (Phocoena phocoena (L.))

    Article • The Journal of the Acoustical Society of America, July 2009, Acoustical Society of America (ASA)

    Dr Jonas Teilmann

  89. Validating passive acoustic monitoring data loggers by visual observations

    Article • The Journal of the Acoustical Society of America, May 2008, Acoustical Society of America (ASA)

    Dr Jonas Teilmann

  90. Harbour porpoise ( Phocoena phocoena) static acoustic monitoring: laboratory detection thresholds of T-PODs are reflected in field sensitivity

    Article • Journal of the Marine Biological Association of the United Kingdom, March 2008, Cambridge University Press

    Dr Jonas Teilmann

  91. Shipboard measurements of the hearing of the white-beaked dolphin Lagenorhynchus albirostris

    Article • Journal of Experimental Biology, February 2008, The Company of Biologists

    Dr Jonas Teilmann

  92. Making use of inaccurate positions of seals with satellite transmitters

    Article • Endangered Species Research, January 2008, Inter-Research Science Center

    Dr Jonas Teilmann, Jakob Tougaard

  93. Age- and Sex-Specific Mortality Patterns in an Emerging Wildlife Epidemic: The Phocine Distemper in European Harbour Seals

    Article • PLOS One, September 2007, PLOS

    Dr Jonas Teilmann

  94. Diet of harbour seals and great cormorants in Limfjord, Denmark: interspecific competition and interaction with fishery

    Article • ICES Journal of Marine Science, July 2007, Oxford University Press (OUP)

    Dr Jonas Teilmann

  95. Comparison of echolocation behaviour between coastal and riverine porpoises

    Article • April 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Jonas Teilmann

  96. Comparison of echolocation behaviour between coastal and riverine porpoises

    Article • Deep Sea Research Part II Topical Studies in Oceanography, February 2007, Elsevier

    Dr Jonas Teilmann

  97. All at sea with animal tracks; methodological and analytical solutions for the resolution of movement

    Article • Deep Sea Research Part II Topical Studies in Oceanography, February 2007, Elsevier

    Dr Jonas Teilmann

  98. Status of grey seals along mainland Europe from the Southwestern Baltic to France

    Article • NAMMCO Scientific Publications, January 2007, University Library at Tromso

    Dr Jonas Teilmann

  99. Impacts of offshore wind farm construction on harbour porpoises: acoustic monitoring of echolocation activity using porpoise detectors (T-PODs)

    Article • Marine Ecology Progress Series, September 2006, Inter-Research Science Center

    Dr Jonas Teilmann

  100. REACTIONS OF CAPTIVE HARBOR PORPOISES (PHOCOENA PHOCOENA) TO PINGER-LIKE SOUNDS

    Article • Marine Mammal Science, April 2006, Wiley

    Dr Jonas Teilmann

  101. The 1988 and 2002 phocine distemper virus epidemics in European harbour seals

    Article • Diseases of Aquatic Organisms, January 2006, Inter-Research Science Center

    Dr Simon J Goodman, Dr Jonas Teilmann

  102. Habitat Use of Ringed Seals, Phoca hispida, in the North Water Area (North Baffin Bay)

    Article • ARCTIC, January 2004, The Arctic Institute of North America

    Dr Jonas Teilmann

  103. HAUL-OUT ACTIVITY OF RINGED SEALS (PHOCA HISPIDA) DETERMINED FROM SATELLITE TELEMETRY

    Article • Marine Mammal Science, January 2002, Wiley

    Dr Jonas Teilmann

  104. Behaviour of ringed seals tagged with satellite transmitters in the North Water polynya during fast-ice formation

    Article • Canadian Journal of Zoology, December 1999, Canadian Science Publishing

    Dr Jonas Teilmann

  105. Behaviour of ringed seals tagged with satellite transmitters in the North Water polynya during fast-ice formation

    Article • Canadian Journal of Zoology, January 1999, Canadian Science Publishing

    Dr Jonas Teilmann

  106. Netting and conventional tagging used to study movements of ringed seals (Phoca hispida) in Greenland

    Article • NAMMCO Scientific Publications, June 1998, University Library at Tromso

    Dr Jonas Teilmann

  107. Abundance of ringed seals (Phoca hispida) in the Kong Oscars Fjord, Scoresby Sund and adjacent areas in eastern Greenland

    Article • NAMMCO Scientific Publications, June 1998, University Library at Tromso

    Dr Jonas Teilmann

  108. Exploitation of ringed seals (Phoca hispida) in Greenland

    Article • NAMMCO Scientific Publications, June 1998, University Library at Tromso

    Dr Jonas Teilmann

  109. Status of the harbour porpoise in Greenland

    Article • Polar Biology, February 1998, Springer Science + Business Media

    Dr Jonas Teilmann

  110. An Index of the Relative Abundance of Wintering Belugas, Delphinapterus leucas, and Narwhals, Monodon monoceros, off West Greenland

    Article • Canadian Journal of Fisheries and Aquatic Sciences, November 1993, Canadian Science Publishing

    Dr Jonas Teilmann

  111. Abundance and distribution of harbour porpoisesPhocoena phocoena in selected areas of the western Baltic and the North sea

    Article • Helgoländer Meeresuntersuchungen, October 1993, Springer Science + Business Media

    Dr Jonas Teilmann

  112. Age determination of european harbour seal,Phoca VitulinaL.

    Article • Sarsia, July 1991, Taylor & Francis

    Dr Jonas Teilmann