Exceptional foraging plasticity in King Penguins (Aptenodytes patagonicus) from a recently established breeding site in Tierra del Fuego, Chile
© 2021 The AuthorsAnimals constantly test the borders of their own ecological niche and tend to expand their range, which is now additionally challenged by global climate change. Following human exploitation throughout the Southern Ocean in the 19th and the beginning of the 20th century, numbers of...
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Elsevier B.V.
2024
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Online Access: | https://repositorio.uc.cl/handle/11534/76666 https://doi.org/10.1016/j.gecco.2021.e01669 |
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ftpunivcchile:oai:repositorio.uc.cl:11534/76666 2024-04-21T07:48:32+00:00 Exceptional foraging plasticity in King Penguins (Aptenodytes patagonicus) from a recently established breeding site in Tierra del Fuego, Chile Pütz K. Gherardi-Fuentes C. Simeone A. García-Borboroglu P. Godoy C. Flagg M. Pedrana J. Vianna J.A. Lüthi B. 2024-01-10T12:11:34Z application/pdf https://repositorio.uc.cl/handle/11534/76666 https://doi.org/10.1016/j.gecco.2021.e01669 en eng Elsevier B.V. doi:10.1016/j.gecco.2021.e01669 23519894 SCOPUS_ID:85107522220 https://doi.org/10.1016/j.gecco.2021.e01669 https://repositorio.uc.cl/handle/11534/76666 WOS:000683779400006 acceso abierto Diet Dispersal Diving behavior Foraging area Range expansion Trip duration 13 Climate Action 14 Life Below Water 15 Life on Land 13 Acción por el clima 14 Vida submarina 15 Vida de ecosistemas terrestres artículo 2024 ftpunivcchile https://doi.org/10.1016/j.gecco.2021.e01669 2024-03-27T15:29:03Z © 2021 The AuthorsAnimals constantly test the borders of their own ecological niche and tend to expand their range, which is now additionally challenged by global climate change. Following human exploitation throughout the Southern Ocean in the 19th and the beginning of the 20th century, numbers of King Penguin breeding pairs have increased and former breeding sites have been re-colonized. Since 2010 a breeding colony became (re-)established at Bahía Inútil, Strait of Magellan, Tierra del Fuego, Chile. The aims of this study were to study the foraging ecology of King Penguins at this new breeding site, which is characterized by a set of different environmental variables as it is located within the confined environment of the Magellan Strait, more than 300 km from the open ocean. During the course of this study, thirty-two birds were successfully equipped with external devices that recorded 206 foraging trips by breeding and non-breeding birds. With one exception, all birds foraged throughout the year exclusively in the Magellan Strait with the main foraging areas located within 100 km from the colony. The diving activities of 15 King Penguins were recorded during 59 foraging trips, the deepest dive was 160 m and the longest dive lasted 6.75 mins. Based on a representative subsample of 3000 dives, mean dive depth was 32 ± 34 m and mean dive duration 117 ± 84 s. Accordingly, foraging trip durations throughout the year were significantly shorter than those recorded for conspecifics elsewhere. In accordance with these changes in foraging behavior, stomach contents from seven birds showed a mix of fish and squid, with Falkland sprats Sprattus fuegensis as the main prey item present in all samples. The implications of these behavioral adaptations are discussed with regard to this unusual confined foraging environment and predicted changes in the performance of King Penguins breeding elsewhere following global change. Antarctic Research Trust Beat Bieler Doris & Ueli Brennwald Erika Bodmer Global Penguin ... Article in Journal/Newspaper Antarc* Antarctic King Penguins Southern Ocean Tierra del Fuego Pontificia Universidad Católica de Chile: Repositorio UC Global Ecology and Conservation 28 e01669 |
institution |
Open Polar |
collection |
Pontificia Universidad Católica de Chile: Repositorio UC |
op_collection_id |
ftpunivcchile |
language |
English |
topic |
Diet Dispersal Diving behavior Foraging area Range expansion Trip duration 13 Climate Action 14 Life Below Water 15 Life on Land 13 Acción por el clima 14 Vida submarina 15 Vida de ecosistemas terrestres |
spellingShingle |
Diet Dispersal Diving behavior Foraging area Range expansion Trip duration 13 Climate Action 14 Life Below Water 15 Life on Land 13 Acción por el clima 14 Vida submarina 15 Vida de ecosistemas terrestres Pütz K. Gherardi-Fuentes C. Simeone A. García-Borboroglu P. Godoy C. Flagg M. Pedrana J. Vianna J.A. Lüthi B. Exceptional foraging plasticity in King Penguins (Aptenodytes patagonicus) from a recently established breeding site in Tierra del Fuego, Chile |
topic_facet |
Diet Dispersal Diving behavior Foraging area Range expansion Trip duration 13 Climate Action 14 Life Below Water 15 Life on Land 13 Acción por el clima 14 Vida submarina 15 Vida de ecosistemas terrestres |
description |
© 2021 The AuthorsAnimals constantly test the borders of their own ecological niche and tend to expand their range, which is now additionally challenged by global climate change. Following human exploitation throughout the Southern Ocean in the 19th and the beginning of the 20th century, numbers of King Penguin breeding pairs have increased and former breeding sites have been re-colonized. Since 2010 a breeding colony became (re-)established at Bahía Inútil, Strait of Magellan, Tierra del Fuego, Chile. The aims of this study were to study the foraging ecology of King Penguins at this new breeding site, which is characterized by a set of different environmental variables as it is located within the confined environment of the Magellan Strait, more than 300 km from the open ocean. During the course of this study, thirty-two birds were successfully equipped with external devices that recorded 206 foraging trips by breeding and non-breeding birds. With one exception, all birds foraged throughout the year exclusively in the Magellan Strait with the main foraging areas located within 100 km from the colony. The diving activities of 15 King Penguins were recorded during 59 foraging trips, the deepest dive was 160 m and the longest dive lasted 6.75 mins. Based on a representative subsample of 3000 dives, mean dive depth was 32 ± 34 m and mean dive duration 117 ± 84 s. Accordingly, foraging trip durations throughout the year were significantly shorter than those recorded for conspecifics elsewhere. In accordance with these changes in foraging behavior, stomach contents from seven birds showed a mix of fish and squid, with Falkland sprats Sprattus fuegensis as the main prey item present in all samples. The implications of these behavioral adaptations are discussed with regard to this unusual confined foraging environment and predicted changes in the performance of King Penguins breeding elsewhere following global change. Antarctic Research Trust Beat Bieler Doris & Ueli Brennwald Erika Bodmer Global Penguin ... |
format |
Article in Journal/Newspaper |
author |
Pütz K. Gherardi-Fuentes C. Simeone A. García-Borboroglu P. Godoy C. Flagg M. Pedrana J. Vianna J.A. Lüthi B. |
author_facet |
Pütz K. Gherardi-Fuentes C. Simeone A. García-Borboroglu P. Godoy C. Flagg M. Pedrana J. Vianna J.A. Lüthi B. |
author_sort |
Pütz K. |
title |
Exceptional foraging plasticity in King Penguins (Aptenodytes patagonicus) from a recently established breeding site in Tierra del Fuego, Chile |
title_short |
Exceptional foraging plasticity in King Penguins (Aptenodytes patagonicus) from a recently established breeding site in Tierra del Fuego, Chile |
title_full |
Exceptional foraging plasticity in King Penguins (Aptenodytes patagonicus) from a recently established breeding site in Tierra del Fuego, Chile |
title_fullStr |
Exceptional foraging plasticity in King Penguins (Aptenodytes patagonicus) from a recently established breeding site in Tierra del Fuego, Chile |
title_full_unstemmed |
Exceptional foraging plasticity in King Penguins (Aptenodytes patagonicus) from a recently established breeding site in Tierra del Fuego, Chile |
title_sort |
exceptional foraging plasticity in king penguins (aptenodytes patagonicus) from a recently established breeding site in tierra del fuego, chile |
publisher |
Elsevier B.V. |
publishDate |
2024 |
url |
https://repositorio.uc.cl/handle/11534/76666 https://doi.org/10.1016/j.gecco.2021.e01669 |
genre |
Antarc* Antarctic King Penguins Southern Ocean Tierra del Fuego |
genre_facet |
Antarc* Antarctic King Penguins Southern Ocean Tierra del Fuego |
op_relation |
doi:10.1016/j.gecco.2021.e01669 23519894 SCOPUS_ID:85107522220 https://doi.org/10.1016/j.gecco.2021.e01669 https://repositorio.uc.cl/handle/11534/76666 WOS:000683779400006 |
op_rights |
acceso abierto |
op_doi |
https://doi.org/10.1016/j.gecco.2021.e01669 |
container_title |
Global Ecology and Conservation |
container_volume |
28 |
container_start_page |
e01669 |
_version_ |
1796950131667369984 |