HOMING BEHAVIOR OF JUVENILE NORTHERN ELEPHANT SEALS
A bstract The aim of this study was to determine if juvenile northern elephant seals, Mirounga angustirostris , translocated from their rookery would return to it quickly and reliably. During the spring and fall of 1990 and 1991 we captured 75 seals at Año Nuevo State Reserve, CA, U. S. A. and trans...
Published in: | Marine Mammal Science |
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Language: | English |
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crwiley:10.1111/j.1748-7692.1998.tb00714.x 2024-09-15T18:04:42+00:00 HOMING BEHAVIOR OF JUVENILE NORTHERN ELEPHANT SEALS Oliver, Guy W. Morris, Patricia A. Thorson, Philip H. le Boeuf, Burney J. 1998 http://dx.doi.org/10.1111/j.1748-7692.1998.tb00714.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1748-7692.1998.tb00714.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1748-7692.1998.tb00714.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Marine Mammal Science volume 14, issue 2, page 245-256 ISSN 0824-0469 1748-7692 journal-article 1998 crwiley https://doi.org/10.1111/j.1748-7692.1998.tb00714.x 2024-07-11T04:34:29Z A bstract The aim of this study was to determine if juvenile northern elephant seals, Mirounga angustirostris , translocated from their rookery would return to it quickly and reliably. During the spring and fall of 1990 and 1991 we captured 75 seals at Año Nuevo State Reserve, CA, U. S. A. and translocated them to release sites up to 100 km away. Eighty‐eight percent of the seals returned to the capture site within 4.7 ± 4.3 d. Homing rate increased with age, but even the youngest seals (8–10 mo) homed at a 73% rate. Homing rate did not vary significantly with sex, season, or year. Data from diving instruments suggested that the seals often followed direct routes home, arrived on the rookery significantly more often at night than during the day, and when released together, returned separately. Mean homing speed of 18 seals with complete diving records was 39 km/d (range 3–70 km/d). Instruments on seals had no detectable effect on homing rate or homing speed. The translocation paradigm provides a powerful tool for conducting intensive shortterm studies on free‐ranging seals. Article in Journal/Newspaper Elephant Seals Wiley Online Library Marine Mammal Science 14 2 245 256 |
institution |
Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
description |
A bstract The aim of this study was to determine if juvenile northern elephant seals, Mirounga angustirostris , translocated from their rookery would return to it quickly and reliably. During the spring and fall of 1990 and 1991 we captured 75 seals at Año Nuevo State Reserve, CA, U. S. A. and translocated them to release sites up to 100 km away. Eighty‐eight percent of the seals returned to the capture site within 4.7 ± 4.3 d. Homing rate increased with age, but even the youngest seals (8–10 mo) homed at a 73% rate. Homing rate did not vary significantly with sex, season, or year. Data from diving instruments suggested that the seals often followed direct routes home, arrived on the rookery significantly more often at night than during the day, and when released together, returned separately. Mean homing speed of 18 seals with complete diving records was 39 km/d (range 3–70 km/d). Instruments on seals had no detectable effect on homing rate or homing speed. The translocation paradigm provides a powerful tool for conducting intensive shortterm studies on free‐ranging seals. |
format |
Article in Journal/Newspaper |
author |
Oliver, Guy W. Morris, Patricia A. Thorson, Philip H. le Boeuf, Burney J. |
spellingShingle |
Oliver, Guy W. Morris, Patricia A. Thorson, Philip H. le Boeuf, Burney J. HOMING BEHAVIOR OF JUVENILE NORTHERN ELEPHANT SEALS |
author_facet |
Oliver, Guy W. Morris, Patricia A. Thorson, Philip H. le Boeuf, Burney J. |
author_sort |
Oliver, Guy W. |
title |
HOMING BEHAVIOR OF JUVENILE NORTHERN ELEPHANT SEALS |
title_short |
HOMING BEHAVIOR OF JUVENILE NORTHERN ELEPHANT SEALS |
title_full |
HOMING BEHAVIOR OF JUVENILE NORTHERN ELEPHANT SEALS |
title_fullStr |
HOMING BEHAVIOR OF JUVENILE NORTHERN ELEPHANT SEALS |
title_full_unstemmed |
HOMING BEHAVIOR OF JUVENILE NORTHERN ELEPHANT SEALS |
title_sort |
homing behavior of juvenile northern elephant seals |
publisher |
Wiley |
publishDate |
1998 |
url |
http://dx.doi.org/10.1111/j.1748-7692.1998.tb00714.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1748-7692.1998.tb00714.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1748-7692.1998.tb00714.x |
genre |
Elephant Seals |
genre_facet |
Elephant Seals |
op_source |
Marine Mammal Science volume 14, issue 2, page 245-256 ISSN 0824-0469 1748-7692 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1748-7692.1998.tb00714.x |
container_title |
Marine Mammal Science |
container_volume |
14 |
container_issue |
2 |
container_start_page |
245 |
op_container_end_page |
256 |
_version_ |
1810442321422974976 |