DIETS OF FIN, SEI, AND SPERM WHALES IN BRITISH COLUMBIA: AN ANALYSIS OF COMMERCIAL WHALING RECORDS, 1963–1967
A bstract Diets of fin ( Balaenoptera physalus ), sei ( Balaenoptera borealis ), and sperm whales ( Physeter macrocephalus ) were estimated from the stomach contents of individuals killed along the British Columbia coast from 1963 to 1967. The dominant prey types of fin whales were euphausiids, with...
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crwiley:10.1111/j.1748-7692.2002.tb01065.x 2024-09-15T17:57:16+00:00 DIETS OF FIN, SEI, AND SPERM WHALES IN BRITISH COLUMBIA: AN ANALYSIS OF COMMERCIAL WHALING RECORDS, 1963–1967 Flinn, Rowenna D. Trites, Andrew W. Gregr, Edward J. Perry, R. Ian 2002 http://dx.doi.org/10.1111/j.1748-7692.2002.tb01065.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1748-7692.2002.tb01065.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1748-7692.2002.tb01065.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Marine Mammal Science volume 18, issue 3, page 663-679 ISSN 0824-0469 1748-7692 journal-article 2002 crwiley https://doi.org/10.1111/j.1748-7692.2002.tb01065.x 2024-09-05T05:07:02Z A bstract Diets of fin ( Balaenoptera physalus ), sei ( Balaenoptera borealis ), and sperm whales ( Physeter macrocephalus ) were estimated from the stomach contents of individuals killed along the British Columbia coast from 1963 to 1967. The dominant prey types of fin whales were euphausiids, with minor contributions from copepods and fish. Sei whale stomachs contained primarily copepods in three years, whereas euphausiids or a variety of fish dominated the diet in the other two years. Sperm whales consumed primarily North Pacific giant squid ( Moroteuthis robusta ), but secondary prey differed between males and females. Female sperm whales frequently consumed ragfish ( Icosteus spp.) and other fish, whereas the male diet also contained rockfish ( Sebastes spp.). The high abundance of euphausiids along the British Columbia coast likely contributed to the presence of a summer resident population of fin whales. The high abundance of large copepods farther north probably influenced the migration of sei whales through the offshore waters of British Columbia. Sperm whale stomach contents differed by sex reflecting location and possibly breeding behaviors. Article in Journal/Newspaper Balaenoptera borealis Balaenoptera physalus Physeter macrocephalus Sei Whale Sperm whale Copepods Wiley Online Library Marine Mammal Science 18 3 663 679 |
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Open Polar |
collection |
Wiley Online Library |
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crwiley |
language |
English |
description |
A bstract Diets of fin ( Balaenoptera physalus ), sei ( Balaenoptera borealis ), and sperm whales ( Physeter macrocephalus ) were estimated from the stomach contents of individuals killed along the British Columbia coast from 1963 to 1967. The dominant prey types of fin whales were euphausiids, with minor contributions from copepods and fish. Sei whale stomachs contained primarily copepods in three years, whereas euphausiids or a variety of fish dominated the diet in the other two years. Sperm whales consumed primarily North Pacific giant squid ( Moroteuthis robusta ), but secondary prey differed between males and females. Female sperm whales frequently consumed ragfish ( Icosteus spp.) and other fish, whereas the male diet also contained rockfish ( Sebastes spp.). The high abundance of euphausiids along the British Columbia coast likely contributed to the presence of a summer resident population of fin whales. The high abundance of large copepods farther north probably influenced the migration of sei whales through the offshore waters of British Columbia. Sperm whale stomach contents differed by sex reflecting location and possibly breeding behaviors. |
format |
Article in Journal/Newspaper |
author |
Flinn, Rowenna D. Trites, Andrew W. Gregr, Edward J. Perry, R. Ian |
spellingShingle |
Flinn, Rowenna D. Trites, Andrew W. Gregr, Edward J. Perry, R. Ian DIETS OF FIN, SEI, AND SPERM WHALES IN BRITISH COLUMBIA: AN ANALYSIS OF COMMERCIAL WHALING RECORDS, 1963–1967 |
author_facet |
Flinn, Rowenna D. Trites, Andrew W. Gregr, Edward J. Perry, R. Ian |
author_sort |
Flinn, Rowenna D. |
title |
DIETS OF FIN, SEI, AND SPERM WHALES IN BRITISH COLUMBIA: AN ANALYSIS OF COMMERCIAL WHALING RECORDS, 1963–1967 |
title_short |
DIETS OF FIN, SEI, AND SPERM WHALES IN BRITISH COLUMBIA: AN ANALYSIS OF COMMERCIAL WHALING RECORDS, 1963–1967 |
title_full |
DIETS OF FIN, SEI, AND SPERM WHALES IN BRITISH COLUMBIA: AN ANALYSIS OF COMMERCIAL WHALING RECORDS, 1963–1967 |
title_fullStr |
DIETS OF FIN, SEI, AND SPERM WHALES IN BRITISH COLUMBIA: AN ANALYSIS OF COMMERCIAL WHALING RECORDS, 1963–1967 |
title_full_unstemmed |
DIETS OF FIN, SEI, AND SPERM WHALES IN BRITISH COLUMBIA: AN ANALYSIS OF COMMERCIAL WHALING RECORDS, 1963–1967 |
title_sort |
diets of fin, sei, and sperm whales in british columbia: an analysis of commercial whaling records, 1963–1967 |
publisher |
Wiley |
publishDate |
2002 |
url |
http://dx.doi.org/10.1111/j.1748-7692.2002.tb01065.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1748-7692.2002.tb01065.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1748-7692.2002.tb01065.x |
genre |
Balaenoptera borealis Balaenoptera physalus Physeter macrocephalus Sei Whale Sperm whale Copepods |
genre_facet |
Balaenoptera borealis Balaenoptera physalus Physeter macrocephalus Sei Whale Sperm whale Copepods |
op_source |
Marine Mammal Science volume 18, issue 3, page 663-679 ISSN 0824-0469 1748-7692 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1748-7692.2002.tb01065.x |
container_title |
Marine Mammal Science |
container_volume |
18 |
container_issue |
3 |
container_start_page |
663 |
op_container_end_page |
679 |
_version_ |
1810433421732741120 |