Reconstructing the historical wintering destinations of seabirds using stable isotope analyses of museum specimens

Autores
Mills, William F.; Waterman, Juliette; Phillips, Richard A.; Ramakrishnan, Gayatri; Nijjar, Ramandeep; Ibáñez, Andrés Esteban; McGill, Rona A. R.; Morales, Lara Mariel; Montalti, Diego; Black, Stuart
Año de publicación
2026
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Stable isotope analyses of museum specimens provide an opportunity to examine long-term changes in avian migration strategies. Here, we determined stable isotopes of carbon (δ13C) and nitrogen (δ15N) in body feathers (reflecting diet during the non-breeding period) sampled from living birds and historical museum specimens to investigate whether brown skuas Stercorarius antarcticus lonnbergi from South Georgia and the South Shetland Islands changed their migration strategies during the past 100 years. Feathers sampled from adults in the 2010s at South Georgia had significantly lower δ13C and δ15N values than feathers from the 1910s, potentially indicating a shift from oceanic subtropical and continental shelf-slope waters towards mixed subtropical– subantarctic to subantarctic waters in the Argentine Basin. No isotope values (modern nor historical) from South Georgia were consistent with wintering on the Patagonian Shelf (rather than the shelf-slope). Feathers sampled at the South Shetland.
Facultad de Ciencias Naturales y Museo
Materia
Biología
Ecología
Stable isotope analysis
Migration
Natural history collections
Carbon-13
Nitrogen-15
Southern Ocean
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/195470
Acceder
id SEDICI_fed9bbe03636a7a4824d4cde32eac714
oai_identifier_str oai:sedici.unlp.edu.ar:10915/195470
network_acronym_str SEDICI
repository_id_str 1329
network_name_str SEDICI (UNLP)
spelling Reconstructing the historical wintering destinations of seabirds using stable isotope analyses of museum specimensMills, William F.Waterman, JuliettePhillips, Richard A.Ramakrishnan, GayatriNijjar, RamandeepIbáñez, Andrés EstebanMcGill, Rona A. R.Morales, Lara MarielMontalti, DiegoBlack, StuartBiologíaEcologíaStable isotope analysisMigrationNatural history collectionsCarbon-13Nitrogen-15Southern OceanStable isotope analyses of museum specimens provide an opportunity to examine long-term changes in avian migration strategies. Here, we determined stable isotopes of carbon (δ13C) and nitrogen (δ15N) in body feathers (reflecting diet during the non-breeding period) sampled from living birds and historical museum specimens to investigate whether brown skuas Stercorarius antarcticus lonnbergi from South Georgia and the South Shetland Islands changed their migration strategies during the past 100 years. Feathers sampled from adults in the 2010s at South Georgia had significantly lower δ13C and δ15N values than feathers from the 1910s, potentially indicating a shift from oceanic subtropical and continental shelf-slope waters towards mixed subtropical– subantarctic to subantarctic waters in the Argentine Basin. No isotope values (modern nor historical) from South Georgia were consistent with wintering on the Patagonian Shelf (rather than the shelf-slope). Feathers sampled at the South Shetland.Facultad de Ciencias Naturales y Museo2026-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://sedici.unlp.edu.ar/handle/10915/195470enginfo:eu-repo/semantics/altIdentifier/issn/2054-5703info:eu-repo/semantics/altIdentifier/doi/10.1098/rsos.251973info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International (CC BY 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2026-06-23T11:17:02Zoai:sedici.unlp.edu.ar:10915/195470Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292026-06-23 11:17:02.844SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Reconstructing the historical wintering destinations of seabirds using stable isotope analyses of museum specimens
title Reconstructing the historical wintering destinations of seabirds using stable isotope analyses of museum specimens
spellingShingle Reconstructing the historical wintering destinations of seabirds using stable isotope analyses of museum specimens
Mills, William F.
Biología
Ecología
Stable isotope analysis
Migration
Natural history collections
Carbon-13
Nitrogen-15
Southern Ocean
title_short Reconstructing the historical wintering destinations of seabirds using stable isotope analyses of museum specimens
title_full Reconstructing the historical wintering destinations of seabirds using stable isotope analyses of museum specimens
title_fullStr Reconstructing the historical wintering destinations of seabirds using stable isotope analyses of museum specimens
title_full_unstemmed Reconstructing the historical wintering destinations of seabirds using stable isotope analyses of museum specimens
title_sort Reconstructing the historical wintering destinations of seabirds using stable isotope analyses of museum specimens
dc.creator.none.fl_str_mv Mills, William F.
Waterman, Juliette
Phillips, Richard A.
Ramakrishnan, Gayatri
Nijjar, Ramandeep
Ibáñez, Andrés Esteban
McGill, Rona A. R.
Morales, Lara Mariel
Montalti, Diego
Black, Stuart
author Mills, William F.
author_facet Mills, William F.
Waterman, Juliette
Phillips, Richard A.
Ramakrishnan, Gayatri
Nijjar, Ramandeep
Ibáñez, Andrés Esteban
McGill, Rona A. R.
Morales, Lara Mariel
Montalti, Diego
Black, Stuart
author_role author
author2 Waterman, Juliette
Phillips, Richard A.
Ramakrishnan, Gayatri
Nijjar, Ramandeep
Ibáñez, Andrés Esteban
McGill, Rona A. R.
Morales, Lara Mariel
Montalti, Diego
Black, Stuart
author2_role author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Biología
Ecología
Stable isotope analysis
Migration
Natural history collections
Carbon-13
Nitrogen-15
Southern Ocean
topic Biología
Ecología
Stable isotope analysis
Migration
Natural history collections
Carbon-13
Nitrogen-15
Southern Ocean
dc.description.none.fl_txt_mv Stable isotope analyses of museum specimens provide an opportunity to examine long-term changes in avian migration strategies. Here, we determined stable isotopes of carbon (δ13C) and nitrogen (δ15N) in body feathers (reflecting diet during the non-breeding period) sampled from living birds and historical museum specimens to investigate whether brown skuas Stercorarius antarcticus lonnbergi from South Georgia and the South Shetland Islands changed their migration strategies during the past 100 years. Feathers sampled from adults in the 2010s at South Georgia had significantly lower δ13C and δ15N values than feathers from the 1910s, potentially indicating a shift from oceanic subtropical and continental shelf-slope waters towards mixed subtropical– subantarctic to subantarctic waters in the Argentine Basin. No isotope values (modern nor historical) from South Georgia were consistent with wintering on the Patagonian Shelf (rather than the shelf-slope). Feathers sampled at the South Shetland.
Facultad de Ciencias Naturales y Museo
description Stable isotope analyses of museum specimens provide an opportunity to examine long-term changes in avian migration strategies. Here, we determined stable isotopes of carbon (δ13C) and nitrogen (δ15N) in body feathers (reflecting diet during the non-breeding period) sampled from living birds and historical museum specimens to investigate whether brown skuas Stercorarius antarcticus lonnbergi from South Georgia and the South Shetland Islands changed their migration strategies during the past 100 years. Feathers sampled from adults in the 2010s at South Georgia had significantly lower δ13C and δ15N values than feathers from the 1910s, potentially indicating a shift from oceanic subtropical and continental shelf-slope waters towards mixed subtropical– subantarctic to subantarctic waters in the Argentine Basin. No isotope values (modern nor historical) from South Georgia were consistent with wintering on the Patagonian Shelf (rather than the shelf-slope). Feathers sampled at the South Shetland.
publishDate 2026
dc.date.none.fl_str_mv 2026-05
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Articulo
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://sedici.unlp.edu.ar/handle/10915/195470
url http://sedici.unlp.edu.ar/handle/10915/195470
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/issn/2054-5703
info:eu-repo/semantics/altIdentifier/doi/10.1098/rsos.251973
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by/4.0/
Creative Commons Attribution 4.0 International (CC BY 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by/4.0/
Creative Commons Attribution 4.0 International (CC BY 4.0)
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
instacron:UNLP
reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
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score 13.24418

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