The diets and dietary segregation of sooty albatrosses ( Phoebetria spp.) at subantarctic Marion Island
Subantarctic Marion Island is one of the few localities where the congeneric albatrosses Phoebetria fusca and P. palpebrata breed sympatrically. Chicks of both species at Marion Island were induced to regurgitate their stomach contents after being fed. Liquid formed over half the diet by mass. Cepha...
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Language: | English |
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Cambridge University Press (CUP)
1995
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Online Access: | http://dx.doi.org/10.1017/s0954102095000046 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102095000046 |
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crcambridgeupr:10.1017/s0954102095000046 2024-06-23T07:47:08+00:00 The diets and dietary segregation of sooty albatrosses ( Phoebetria spp.) at subantarctic Marion Island Cooper, John Klages, Norbert T.W. 1995 http://dx.doi.org/10.1017/s0954102095000046 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102095000046 en eng Cambridge University Press (CUP) https://www.cambridge.org/core/terms Antarctic Science volume 7, issue 1, page 15-23 ISSN 0954-1020 1365-2079 journal-article 1995 crcambridgeupr https://doi.org/10.1017/s0954102095000046 2024-06-05T04:03:41Z Subantarctic Marion Island is one of the few localities where the congeneric albatrosses Phoebetria fusca and P. palpebrata breed sympatrically. Chicks of both species at Marion Island were induced to regurgitate their stomach contents after being fed. Liquid formed over half the diet by mass. Cephalopods occurred most frequently in both species' diets. In terms of mass, cephalopods formed the larger part of the diet of sooty albatrosses, whereas fish was more important to light-mantled sooty albatrosses. Crustaceans and birds were also recorded for both species. Squid of the families Onychoteuthidae, Histioteuthidae, Chiroteuthidae and Cranchiidae occurred most abundantly in both species. Most squid taken by both albatrosses were of species known to float after death, suggesting that scavenging plays an important role in the species' foraging behaviour. Light-mantled sooty albatrosses consumed more squid restricted to the south of the Antarctic Polar Front than did sooty albatrosses, supporting a trend to latitudinal segregation of the two species while foraging. Article in Journal/Newspaper Antarc* Antarctic Antarctic Science Marion Island Cambridge University Press Antarctic The Antarctic Antarctic Science 7 1 15 23 |
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Open Polar |
collection |
Cambridge University Press |
op_collection_id |
crcambridgeupr |
language |
English |
description |
Subantarctic Marion Island is one of the few localities where the congeneric albatrosses Phoebetria fusca and P. palpebrata breed sympatrically. Chicks of both species at Marion Island were induced to regurgitate their stomach contents after being fed. Liquid formed over half the diet by mass. Cephalopods occurred most frequently in both species' diets. In terms of mass, cephalopods formed the larger part of the diet of sooty albatrosses, whereas fish was more important to light-mantled sooty albatrosses. Crustaceans and birds were also recorded for both species. Squid of the families Onychoteuthidae, Histioteuthidae, Chiroteuthidae and Cranchiidae occurred most abundantly in both species. Most squid taken by both albatrosses were of species known to float after death, suggesting that scavenging plays an important role in the species' foraging behaviour. Light-mantled sooty albatrosses consumed more squid restricted to the south of the Antarctic Polar Front than did sooty albatrosses, supporting a trend to latitudinal segregation of the two species while foraging. |
format |
Article in Journal/Newspaper |
author |
Cooper, John Klages, Norbert T.W. |
spellingShingle |
Cooper, John Klages, Norbert T.W. The diets and dietary segregation of sooty albatrosses ( Phoebetria spp.) at subantarctic Marion Island |
author_facet |
Cooper, John Klages, Norbert T.W. |
author_sort |
Cooper, John |
title |
The diets and dietary segregation of sooty albatrosses ( Phoebetria spp.) at subantarctic Marion Island |
title_short |
The diets and dietary segregation of sooty albatrosses ( Phoebetria spp.) at subantarctic Marion Island |
title_full |
The diets and dietary segregation of sooty albatrosses ( Phoebetria spp.) at subantarctic Marion Island |
title_fullStr |
The diets and dietary segregation of sooty albatrosses ( Phoebetria spp.) at subantarctic Marion Island |
title_full_unstemmed |
The diets and dietary segregation of sooty albatrosses ( Phoebetria spp.) at subantarctic Marion Island |
title_sort |
diets and dietary segregation of sooty albatrosses ( phoebetria spp.) at subantarctic marion island |
publisher |
Cambridge University Press (CUP) |
publishDate |
1995 |
url |
http://dx.doi.org/10.1017/s0954102095000046 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102095000046 |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic Antarctic Science Marion Island |
genre_facet |
Antarc* Antarctic Antarctic Science Marion Island |
op_source |
Antarctic Science volume 7, issue 1, page 15-23 ISSN 0954-1020 1365-2079 |
op_rights |
https://www.cambridge.org/core/terms |
op_doi |
https://doi.org/10.1017/s0954102095000046 |
container_title |
Antarctic Science |
container_volume |
7 |
container_issue |
1 |
container_start_page |
15 |
op_container_end_page |
23 |
_version_ |
1802651194937573376 |