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Birgitte I. McDonald
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Journal Articles

Deep dives and high tissue density increase mean dive costs in California sea lions ( Zalophus californianus )

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Mason R. Cole, Colin Ware, Elizabeth A. McHuron, Daniel P. Costa, Paul J. Ponganis, Birgitte I. McDonald
Journal: Journal of Experimental Biology
J Exp Biol (2023) 226 (14): jeb246059.
https://doi.org/10.1242/jeb.246059
Published: 24 July 2023
View articletitled, Deep dives and high tissue density increase mean dive costs in California sea lions ( Zalophus californianus )
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Journal Articles

Stroke effort and relative lung volume influence heart rate in diving sea lions

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Birgitte I. McDonald, Michael S. Tift, Luis A. Hückstädt, Michael Jeffko, Paul J. Ponganis
Journal: Journal of Experimental Biology
J Exp Biol (2020) 223 (5): jeb214163.
https://doi.org/10.1242/jeb.214163
Published: 11 March 2020
View articletitled, Stroke effort and relative lung volume influence heart rate in diving sea lions
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Journal Articles

Drivers of the dive response in trained harbour porpoises ( Phocoena phocoena )

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Siri L. Elmegaard, Birgitte I. McDonald, Peter T. Madsen
Journal: Journal of Experimental Biology
J Exp Biol (2019) 222 (19): jeb208637.
https://doi.org/10.1242/jeb.208637
Published: 2 October 2019
View articletitled, Drivers of the dive response in trained harbour porpoises ( Phocoena phocoena )
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Includes: Supplementary data
Journal Articles

High field metabolic rates of wild harbour porpoises

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Laia Rojano-Doñate, Birgitte I. McDonald, Danuta M. Wisniewska, Mark Johnson, Jonas Teilmann, Magnus Wahlberg, Jakob Højer-Kristensen, Peter T. Madsen
Journal: Journal of Experimental Biology
J Exp Biol (2018) 221 (23): jeb185827.
https://doi.org/10.1242/jeb.185827
Published: 6 December 2018
View articletitled, High field metabolic rates of wild harbour porpoises
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Includes: Supplementary data
Journal Articles

Drivers of the dive response in pinnipeds; apnea, submergence or temperature?

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Jeppe Kaczmarek, Colleen Reichmuth, Birgitte I. McDonald, Jakob H. Kristensen, Josefin Larson, Fredrik Johansson, Jenna L. Sullivan, Peter T. Madsen
Journal: Journal of Experimental Biology
J Exp Biol (2018) 221 (13): jeb176545.
https://doi.org/10.1242/jeb.176545
Published: 9 July 2018
View articletitled, Drivers of the dive response in pinnipeds; apnea, submergence or temperature?
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Journal Articles

Dive heart rate in harbour porpoises is influenced by exercise and expectations

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Birgitte I. McDonald, Mark Johnson, Peter T. Madsen
Journal: Journal of Experimental Biology
J Exp Biol (2018) 221 (1): jeb168740.
https://doi.org/10.1242/jeb.168740
Published: 9 January 2018
View articletitled, Dive heart rate in harbour porpoises is influenced by exercise and expectations
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Includes: Supplementary data
Journal Articles

Heart rate regulation in diving sea lions: the vagus nerve rules

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Paul J. Ponganis, Birgitte I. McDonald, Michael S. Tift, Cassondra L. Williams
Journal: Journal of Experimental Biology
J Exp Biol (2017) 220 (8): 1372–1381.
https://doi.org/10.1242/jeb.146779
Published: 15 April 2017
View articletitled, Heart rate regulation in diving sea lions: the vagus nerve rules
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Journal Articles

Flipper stroke rate and venous oxygen levels in free-ranging California sea lions

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Michael S. Tift, Luis A. Hückstädt, Birgitte I. McDonald, Philip H. Thorson, Paul J. Ponganis
Journal: Journal of Experimental Biology
J Exp Biol (2017) 220 (8): 1533–1540.
https://doi.org/10.1242/jeb.152314
Published: 15 April 2017
View articletitled, Flipper stroke rate and venous oxygen levels in free-ranging California sea lions
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Journal Articles

Free-swimming northern elephant seals have low field metabolic rates that are sensitive to an increased cost of transport

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Jennifer L. Maresh, Samantha E. Simmons, Daniel E. Crocker, Birgitte I. McDonald, Terrie M. Williams, Daniel P. Costa
Journal: Journal of Experimental Biology
J Exp Biol (2014) 217 (9): 1485–1495.
https://doi.org/10.1242/jeb.094201
Published: 1 May 2014
View articletitled, Free-swimming northern elephant seals have low field metabolic rates that are sensitive to an increased cost of transport
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Journal Articles

Deep-diving sea lions exhibit extreme bradycardia in long-duration dives

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Birgitte I. McDonald, Paul J. Ponganis
Journal: Journal of Experimental Biology
J Exp Biol (2014) 217 (9): 1525–1534.
https://doi.org/10.1242/jeb.098558
Published: 1 May 2014
View articletitled, Deep-diving sea lions exhibit extreme bradycardia in long-duration dives
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Journal Articles

Insights from venous oxygen profiles: oxygen utilization and management in diving California sea lions

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Birgitte I. McDonald, Paul J. Ponganis
Journal: Journal of Experimental Biology
J Exp Biol (2013) 216 (17): 3332–3341.
https://doi.org/10.1242/jeb.085985
Published: 1 September 2013
View articletitled, Insights from venous oxygen profiles: oxygen utilization and management in diving California sea lions
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Includes: Supplementary data
Journal Articles

Interpolation of animal tracking data in a fluid environment

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Yann Tremblay, Scott A. Shaffer, Shannon L. Fowler, Carey E. Kuhn, Birgitte I. McDonald, Michael J. Weise, Charle-André Bost, Henri Weimerskirch, Daniel E. Crocker, Michael E. Goebel, Daniel P. Costa
Journal: Journal of Experimental Biology
J Exp Biol (2006) 209 (1): 128–140.
https://doi.org/10.1242/jeb.01970
Published: 1 January 2006
View articletitled, Interpolation of animal tracking data in a fluid environment
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