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Energetic and physical limitations on the breaching performance of large whales

Segre, Paolo S ; Potvin, Jean ; Cade, David E ; Calambokidis, John ; Di Clemente, Jacopo ; Fish, Frank E ; Friedlaender, Ari S ; Gough, William T ; Kahane-Rapport, Shirel R ; Oliveira, Cláudia ; Parks, Susan E ; Penry, Gwenith S ; Simon, Malene ; Stimpert, Alison K ; Wiley, David N ; Bierlich, K C ; Madsen, Peter T ; Goldbogen, Jeremy A

eLife, 2020-03, Vol.9 [Peer Reviewed Journal]

England: eLife Sciences Publications Ltd

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Title:
Energetic and physical limitations on the breaching performance of large whales
Author: Segre, Paolo S ; Potvin, Jean ; Cade, David E ; Calambokidis, John ; Di Clemente, Jacopo ; Fish, Frank E ; Friedlaender, Ari S ; Gough, William T ; Kahane-Rapport, Shirel R ; Oliveira, Cláudia ; Parks, Susan E ; Penry, Gwenith S ; Simon, Malene ; Stimpert, Alison K ; Wiley, David N ; Bierlich, K C ; Madsen, Peter T ; Goldbogen, Jeremy A
Subjects: Animal behavior ; Animals ; Biomechanical Phenomena - physiology ; Body Size ; breaching ; Cetacea ; cetaceans ; Costs ; Dolphins & porpoises ; Energy Metabolism - physiology ; Feeding Behavior ; Hydrodynamics ; Kinematics ; locomotion ; maneuverability ; Marine mammals ; Muscle contraction ; Physics of Living Systems ; Species Specificity ; Swimming ; Whales & whaling ; Whales - anatomy & histology ; Whales - classification ; Whales - physiology
Is Part Of: eLife, 2020-03, Vol.9
Notes: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Description: The considerable power needed for large whales to leap out of the water may represent the single most expensive burst maneuver found in nature. However, the mechanics and energetic costs associated with the breaching behaviors of large whales remain poorly understood. In this study we deployed whale-borne tags to measure the kinematics of breaching to test the hypothesis that these spectacular aerial displays are metabolically expensive. We found that breaching whales use variable underwater trajectories, and that high-emergence breaches are faster and require more energy than predatory lunges. The most expensive breaches approach the upper limits of vertebrate muscle performance, and the energetic cost of breaching is high enough that repeated breaching events may serve as honest signaling of body condition. Furthermore, the confluence of muscle contractile properties, hydrodynamics, and the high speeds required likely impose an upper limit to the body size and effectiveness of breaching whales.
Publisher: England: eLife Sciences Publications Ltd
Language: English

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Energetic and physical limitations on the breaching performance of large whales

England: eLife Sciences Publications Ltd

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