Decline in numbers of Antarctic skuas breeding at Potter Peninsula, King George Island, Antarctica
The Brown Skua (Stercorarius antarcticus lonnbergi) and the South Polar Skua (S. maccormicki) breed in Antarctica and, in the case of Brown Skua, on sub-Antarctic islands (Ritz et al. 2008). During the austral summer breeding season, they feed both on land and at sea. Their broad diet includes pengu...
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ftconicet:oai:ri.conicet.gov.ar:11336/32707 2023-10-09T21:46:48+02:00 Decline in numbers of Antarctic skuas breeding at Potter Peninsula, King George Island, Antarctica Graña Grilli, Maricel application/pdf http://hdl.handle.net/11336/32707 eng eng Pacific Seabird Group info:eu-repo/semantics/altIdentifier/url/http://www.marineornithology.org/content/get.cgi?rn=1084 http://hdl.handle.net/11336/32707 Decline in numbers of Antarctic skuas breeding at Potter Peninsula, King George Island, Antarctica; Pacific Seabird Group; Marine Ornithology; 42; 1; 7-2014; 161-162 1018-3337 CONICET Digital CONICET info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ Stercorarius antarcticus lonnbergi Stercorarius maccormicki breeding success intraspecific predation https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion ftconicet 2023-09-24T19:57:36Z The Brown Skua (Stercorarius antarcticus lonnbergi) and the South Polar Skua (S. maccormicki) breed in Antarctica and, in the case of Brown Skua, on sub-Antarctic islands (Ritz et al. 2008). During the austral summer breeding season, they feed both on land and at sea. Their broad diet includes penguins and other seabirds (mainly eggs and chicks), fish, krill and carrion (Reinhardt et al. 2000). Where nesting is sympatric, the Brown Skua monopolizes terrestrial food sources (especially penguin colonies), forcing the South Polar Skua to rely mostly on marine resources (Pietz 1987, Hahn et al. 2008, Malzof & Quintana 2008, Montalti et al. 2009, Graña Grilli & Montalti 2012). Fil: Graña Grilli, Maricel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Ministerio de Relaciones Exteriores, Comercio Interno y Culto. Dirección Nacional del Antártico. Instituto Antártico Argentino; Argentina Article in Journal/Newspaper Antarc* Antarctic Antarctic Skuas Antarctica antarcticus Brown Skua Dirección Nacional del Antártico Instituto Antártico Argentino King George Island Stercorarius antarcticus Stercorarius maccormicki CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas) Antarctic Austral King George Island Argentino Argentina Reinhardt ENVELOPE(177.200,177.200,-84.200,-84.200) Potter Peninsula ENVELOPE(-58.658,-58.658,-62.246,-62.246) |
institution |
Open Polar |
collection |
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas) |
op_collection_id |
ftconicet |
language |
English |
topic |
Stercorarius antarcticus lonnbergi Stercorarius maccormicki breeding success intraspecific predation https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
spellingShingle |
Stercorarius antarcticus lonnbergi Stercorarius maccormicki breeding success intraspecific predation https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 Graña Grilli, Maricel Decline in numbers of Antarctic skuas breeding at Potter Peninsula, King George Island, Antarctica |
topic_facet |
Stercorarius antarcticus lonnbergi Stercorarius maccormicki breeding success intraspecific predation https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
description |
The Brown Skua (Stercorarius antarcticus lonnbergi) and the South Polar Skua (S. maccormicki) breed in Antarctica and, in the case of Brown Skua, on sub-Antarctic islands (Ritz et al. 2008). During the austral summer breeding season, they feed both on land and at sea. Their broad diet includes penguins and other seabirds (mainly eggs and chicks), fish, krill and carrion (Reinhardt et al. 2000). Where nesting is sympatric, the Brown Skua monopolizes terrestrial food sources (especially penguin colonies), forcing the South Polar Skua to rely mostly on marine resources (Pietz 1987, Hahn et al. 2008, Malzof & Quintana 2008, Montalti et al. 2009, Graña Grilli & Montalti 2012). Fil: Graña Grilli, Maricel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Ministerio de Relaciones Exteriores, Comercio Interno y Culto. Dirección Nacional del Antártico. Instituto Antártico Argentino; Argentina |
format |
Article in Journal/Newspaper |
author |
Graña Grilli, Maricel |
author_facet |
Graña Grilli, Maricel |
author_sort |
Graña Grilli, Maricel |
title |
Decline in numbers of Antarctic skuas breeding at Potter Peninsula, King George Island, Antarctica |
title_short |
Decline in numbers of Antarctic skuas breeding at Potter Peninsula, King George Island, Antarctica |
title_full |
Decline in numbers of Antarctic skuas breeding at Potter Peninsula, King George Island, Antarctica |
title_fullStr |
Decline in numbers of Antarctic skuas breeding at Potter Peninsula, King George Island, Antarctica |
title_full_unstemmed |
Decline in numbers of Antarctic skuas breeding at Potter Peninsula, King George Island, Antarctica |
title_sort |
decline in numbers of antarctic skuas breeding at potter peninsula, king george island, antarctica |
publisher |
Pacific Seabird Group |
url |
http://hdl.handle.net/11336/32707 |
long_lat |
ENVELOPE(177.200,177.200,-84.200,-84.200) ENVELOPE(-58.658,-58.658,-62.246,-62.246) |
geographic |
Antarctic Austral King George Island Argentino Argentina Reinhardt Potter Peninsula |
geographic_facet |
Antarctic Austral King George Island Argentino Argentina Reinhardt Potter Peninsula |
genre |
Antarc* Antarctic Antarctic Skuas Antarctica antarcticus Brown Skua Dirección Nacional del Antártico Instituto Antártico Argentino King George Island Stercorarius antarcticus Stercorarius maccormicki |
genre_facet |
Antarc* Antarctic Antarctic Skuas Antarctica antarcticus Brown Skua Dirección Nacional del Antártico Instituto Antártico Argentino King George Island Stercorarius antarcticus Stercorarius maccormicki |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://www.marineornithology.org/content/get.cgi?rn=1084 http://hdl.handle.net/11336/32707 Decline in numbers of Antarctic skuas breeding at Potter Peninsula, King George Island, Antarctica; Pacific Seabird Group; Marine Ornithology; 42; 1; 7-2014; 161-162 1018-3337 CONICET Digital CONICET |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
_version_ |
1779309327729819648 |