Shallow and deep lunge feeding of humpback whales in fjords of the West Antarctic Peninsula
Abstract Humpback whales ( Megaptera novaeangliae ) belong to the class of marine mammals known as rorquals that feed through extraordinarily energetic lunges during which they engulf large volumes of water equal to as much as 70% of their body mass. To understand the kinematics of humpback lunge fe...
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crwiley:10.1111/j.1748-7692.2010.00427.x 2024-04-28T07:55:38+00:00 Shallow and deep lunge feeding of humpback whales in fjords of the West Antarctic Peninsula Ware, Colin Friedlaender, Ari S. Nowacek, Douglas P. 2010 http://dx.doi.org/10.1111/j.1748-7692.2010.00427.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1748-7692.2010.00427.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1748-7692.2010.00427.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Marine Mammal Science volume 27, issue 3, page 587-605 ISSN 0824-0469 1748-7692 Aquatic Science Ecology, Evolution, Behavior and Systematics journal-article 2010 crwiley https://doi.org/10.1111/j.1748-7692.2010.00427.x 2024-04-08T06:54:59Z Abstract Humpback whales ( Megaptera novaeangliae ) belong to the class of marine mammals known as rorquals that feed through extraordinarily energetic lunges during which they engulf large volumes of water equal to as much as 70% of their body mass. To understand the kinematics of humpback lunge feeding, we attached high‐resolution digital recording tags incorporating accelerometers, magnetometers, pressure and sound recording to whales feeding on euphausiids in fjords of the West Antarctic Peninsula. Instances of near vertical lunges gave us the unique opportunity to use the signal from the accelerometer to obtain a fine scale record of the body accelerations involved in lunging. We found that lunges contain extreme accelerations reaching 2.5 m/s 2 in certain instances, which are then followed by decelerations. When animals are intensively feeding the inter‐lunge interval is similar for both deep and shallow lunges suggesting a biomechanical constraint on lunges. However, the number of lunges per dive varies from one for shallow feeding (<25 m) to a median of six for deeper dives. Different feeding patterns were evident in the kinematic record, for deep and shallow feeding bouts with the much greater mean turn rates occurring in shallow feeding. Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Megaptera novaeangliae Wiley Online Library Marine Mammal Science 27 3 587 605 |
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Open Polar |
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Wiley Online Library |
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crwiley |
language |
English |
topic |
Aquatic Science Ecology, Evolution, Behavior and Systematics |
spellingShingle |
Aquatic Science Ecology, Evolution, Behavior and Systematics Ware, Colin Friedlaender, Ari S. Nowacek, Douglas P. Shallow and deep lunge feeding of humpback whales in fjords of the West Antarctic Peninsula |
topic_facet |
Aquatic Science Ecology, Evolution, Behavior and Systematics |
description |
Abstract Humpback whales ( Megaptera novaeangliae ) belong to the class of marine mammals known as rorquals that feed through extraordinarily energetic lunges during which they engulf large volumes of water equal to as much as 70% of their body mass. To understand the kinematics of humpback lunge feeding, we attached high‐resolution digital recording tags incorporating accelerometers, magnetometers, pressure and sound recording to whales feeding on euphausiids in fjords of the West Antarctic Peninsula. Instances of near vertical lunges gave us the unique opportunity to use the signal from the accelerometer to obtain a fine scale record of the body accelerations involved in lunging. We found that lunges contain extreme accelerations reaching 2.5 m/s 2 in certain instances, which are then followed by decelerations. When animals are intensively feeding the inter‐lunge interval is similar for both deep and shallow lunges suggesting a biomechanical constraint on lunges. However, the number of lunges per dive varies from one for shallow feeding (<25 m) to a median of six for deeper dives. Different feeding patterns were evident in the kinematic record, for deep and shallow feeding bouts with the much greater mean turn rates occurring in shallow feeding. |
format |
Article in Journal/Newspaper |
author |
Ware, Colin Friedlaender, Ari S. Nowacek, Douglas P. |
author_facet |
Ware, Colin Friedlaender, Ari S. Nowacek, Douglas P. |
author_sort |
Ware, Colin |
title |
Shallow and deep lunge feeding of humpback whales in fjords of the West Antarctic Peninsula |
title_short |
Shallow and deep lunge feeding of humpback whales in fjords of the West Antarctic Peninsula |
title_full |
Shallow and deep lunge feeding of humpback whales in fjords of the West Antarctic Peninsula |
title_fullStr |
Shallow and deep lunge feeding of humpback whales in fjords of the West Antarctic Peninsula |
title_full_unstemmed |
Shallow and deep lunge feeding of humpback whales in fjords of the West Antarctic Peninsula |
title_sort |
shallow and deep lunge feeding of humpback whales in fjords of the west antarctic peninsula |
publisher |
Wiley |
publishDate |
2010 |
url |
http://dx.doi.org/10.1111/j.1748-7692.2010.00427.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1748-7692.2010.00427.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1748-7692.2010.00427.x |
genre |
Antarc* Antarctic Antarctic Peninsula Megaptera novaeangliae |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Megaptera novaeangliae |
op_source |
Marine Mammal Science volume 27, issue 3, page 587-605 ISSN 0824-0469 1748-7692 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1748-7692.2010.00427.x |
container_title |
Marine Mammal Science |
container_volume |
27 |
container_issue |
3 |
container_start_page |
587 |
op_container_end_page |
605 |
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1797580591915335680 |