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Fredrik Christiansen
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Journal Articles

Size-specific strategies of sympatric cetaceans to reduce heat loss

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Ecophysiology: responses to environmental stressors and change
Maria Glarou, Marianne Helene Rasmussen, Alyssa Poldner, Silva Naomi Sophie Ruppert, Dido Sotiropoulou, Zaynab Sadozai, Małgorzata Jarzynowska, Maria Refsgaard Iversen, Guðjón Már Sigurðsson, Sverrir Daníel Halldórsson, Valerie Chosson, Phillip J. Clapham, Yulia Ivashchenko, Dmitry Tormosov, Fredrik Christiansen
Journal: Journal of Experimental Biology
J Exp Biol (2025) 228 (6): jeb249356.
https://doi.org/10.1242/jeb.249356
Published: 26 March 2025
View articletitled, Size-specific strategies of sympatric cetaceans to reduce heat loss
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Includes: Supplementary data
Journal Articles

Energy expenditure of southern right whales varies with body size, reproductive state and activity level

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Fredrik Christiansen, Kate R. Sprogis, Mia L. K. Nielsen, Maria Glarou, Lars Bejder
Journal: Journal of Experimental Biology
J Exp Biol (2023) 226 (13): jeb245137.
https://doi.org/10.1242/jeb.245137
Published: 5 July 2023
View articletitled, Energy expenditure of southern right whales varies with body size, reproductive state and activity level
Open the PDF for Energy expenditure of southern right whales varies with body size, reproductive state and activity level in another window
Includes: Supplementary data
Journal Articles

Response to: Lipid content of whale blubber cannot be measured using biopsies

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Fredrik Christiansen, Kate R. Sprogis, Jasmin Gross, Juliana Castrillon, Hunter A. Warick, Eva Leunissen, Susan Bengtson Nash
Journal: Journal of Experimental Biology
J Exp Biol (2020) 223 (13): jeb227850.
https://doi.org/10.1242/jeb.227850
Published: 13 July 2020
View articletitled, Response to: Lipid content of whale blubber cannot be measured using biopsies
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Journal Articles

Variation in outer blubber lipid concentration does not reflect morphological body condition in humpback whales

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Fredrik Christiansen, Kate R. Sprogis, Jasmin Gross, Juliana Castrillon, Hunter A. Warick, Eva Leunissen, Susan Bengtson Nash
Journal: Journal of Experimental Biology
J Exp Biol (2020) 223 (8): jeb213769.
https://doi.org/10.1242/jeb.213769
Published: 14 April 2020
View articletitled, Variation in outer blubber lipid concentration does not reflect morphological body condition in humpback whales
Open the PDF for Variation in outer blubber lipid concentration does not reflect morphological body condition in humpback whales in another window
Includes: Supplementary data
Journal Articles

Acoustic crypsis in southern right whale mother–calf pairs: infrequent, low-output calls to avoid predation?

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Mia L. K. Nielsen, Lars Bejder, Simone K. A. Videsen, Fredrik Christiansen, Peter T. Madsen
Journal: Journal of Experimental Biology
J Exp Biol (2019) 222 (13): jeb190728.
https://doi.org/10.1242/jeb.190728
Published: 11 July 2019
View articletitled, Acoustic crypsis in southern right whale mother–calf pairs: infrequent, low-output calls to avoid predation?
Open the PDF for Acoustic crypsis in southern right whale mother–calf pairs: infrequent, low-output calls to avoid predation? in another window
Includes: Supplementary data
Journal Articles

Minke whales maximise energy storage on their feeding grounds

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Fredrik Christiansen, Gísli A. Víkingsson, Marianne H. Rasmussen, David Lusseau
Journal: Journal of Experimental Biology
J Exp Biol (2013) 216 (3): 427–436.
https://doi.org/10.1242/jeb.074518
Published: 1 February 2013
View articletitled, Minke whales maximise energy storage on their feeding grounds
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Includes: Supplementary data