Patterns of New World partial bird migration at north vs. south temperate latitudes

Autores
Jahn, Alex; Bravo, Susana Patricia; Cueto, Víctor; Levey, Douglas J.; Morales, Marvin V.
Año de publicación
2016
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Determinants of partial bird migration remain poorly understood at different latitudes. We describe partial migration of passerine birds across temperate latitudes in the New World. Due to lower seasonality near the coast of North America and in South America, the proportion of partial migrants at high latitudes in North America should be lower when excluding coastal records. We detected a 10% decrease in the proportion of partial migrant species at high latitudes when excluding those whose only winter records at those latitudes are coastal. We also expected a smaller proportion of partial migrants inland in North America vs. South America. However, at high latitudes, (i.e., >39¢ª) we found a similar proportion but a different taxonomic makeup of partial migrants between continents. Specifically for the Tyrannidae (New World flycatchers), we evaluated the latitude at which species overwinter in North vs. South America. The mean latitude at which North American partial migrant flycatchers overwinter when excluding those near the coast is 30.4¢ª N (2.8 SD), which is lower, but not significantly so, than of wintering flycatchers when considering winter records at all distances from the coast (32.3¢ª N, 3.2 SD). Furthermore, the mean latitude at which New World partial migrant flycatchers overwinter in temperate South America (30.3¢ª S; 5.6 SD) vs. inland North America is not significantly different. These results suggest that partial migrant bird species in the New World may be under different constraints, depending on factors such as habitat occupancy and distance of a population from the coast.
Fil: Jahn, Alex. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ecología, Genética y Evolución; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Ecología, Genética y Evolución de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Ecología, Genética y Evolución de Buenos Aires; Argentina
Fil: Bravo, Susana Patricia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Ecología, Genética y Evolución de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Ecología, Genética y Evolución de Buenos Aires; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ecología, Genética y Evolución; Argentina
Fil: Cueto, Víctor. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ecología, Genética y Evolución; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Ecología, Genética y Evolución de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Ecología, Genética y Evolución de Buenos Aires; Argentina
Fil: Levey, Douglas J.. No especifíca;
Fil: Morales, Marvin V.. No especifíca;
Materia
austral migration
continentality
seasonality
Tyrannidae
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/271511

id CONICETDig_0943ca2163550b6a45db008a391e2bf5
oai_identifier_str oai:ri.conicet.gov.ar:11336/271511
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Patterns of New World partial bird migration at north vs. south temperate latitudesJahn, AlexBravo, Susana PatriciaCueto, VíctorLevey, Douglas J.Morales, Marvin V.austral migrationcontinentalityseasonalityTyrannidaehttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Determinants of partial bird migration remain poorly understood at different latitudes. We describe partial migration of passerine birds across temperate latitudes in the New World. Due to lower seasonality near the coast of North America and in South America, the proportion of partial migrants at high latitudes in North America should be lower when excluding coastal records. We detected a 10% decrease in the proportion of partial migrant species at high latitudes when excluding those whose only winter records at those latitudes are coastal. We also expected a smaller proportion of partial migrants inland in North America vs. South America. However, at high latitudes, (i.e., >39¢ª) we found a similar proportion but a different taxonomic makeup of partial migrants between continents. Specifically for the Tyrannidae (New World flycatchers), we evaluated the latitude at which species overwinter in North vs. South America. The mean latitude at which North American partial migrant flycatchers overwinter when excluding those near the coast is 30.4¢ª N (2.8 SD), which is lower, but not significantly so, than of wintering flycatchers when considering winter records at all distances from the coast (32.3¢ª N, 3.2 SD). Furthermore, the mean latitude at which New World partial migrant flycatchers overwinter in temperate South America (30.3¢ª S; 5.6 SD) vs. inland North America is not significantly different. These results suggest that partial migrant bird species in the New World may be under different constraints, depending on factors such as habitat occupancy and distance of a population from the coast.Fil: Jahn, Alex. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ecología, Genética y Evolución; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Ecología, Genética y Evolución de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Ecología, Genética y Evolución de Buenos Aires; ArgentinaFil: Bravo, Susana Patricia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Ecología, Genética y Evolución de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Ecología, Genética y Evolución de Buenos Aires; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ecología, Genética y Evolución; ArgentinaFil: Cueto, Víctor. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ecología, Genética y Evolución; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Ecología, Genética y Evolución de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Ecología, Genética y Evolución de Buenos Aires; ArgentinaFil: Levey, Douglas J.. No especifíca;Fil: Morales, Marvin V.. No especifíca;Csiro Publishing2016-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/271511Jahn, Alex; Bravo, Susana Patricia; Cueto, Víctor; Levey, Douglas J.; Morales, Marvin V.; Patterns of New World partial bird migration at north vs. south temperate latitudes; Csiro Publishing; Emu; 112; 1; 12-2016; 17-220158-4197CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/abs/10.1071/MU10091info:eu-repo/semantics/altIdentifier/doi/10.1071/MU10091info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:41:33Zoai:ri.conicet.gov.ar:11336/271511instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:41:33.502CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Patterns of New World partial bird migration at north vs. south temperate latitudes
title Patterns of New World partial bird migration at north vs. south temperate latitudes
spellingShingle Patterns of New World partial bird migration at north vs. south temperate latitudes
Jahn, Alex
austral migration
continentality
seasonality
Tyrannidae
title_short Patterns of New World partial bird migration at north vs. south temperate latitudes
title_full Patterns of New World partial bird migration at north vs. south temperate latitudes
title_fullStr Patterns of New World partial bird migration at north vs. south temperate latitudes
title_full_unstemmed Patterns of New World partial bird migration at north vs. south temperate latitudes
title_sort Patterns of New World partial bird migration at north vs. south temperate latitudes
dc.creator.none.fl_str_mv Jahn, Alex
Bravo, Susana Patricia
Cueto, Víctor
Levey, Douglas J.
Morales, Marvin V.
author Jahn, Alex
author_facet Jahn, Alex
Bravo, Susana Patricia
Cueto, Víctor
Levey, Douglas J.
Morales, Marvin V.
author_role author
author2 Bravo, Susana Patricia
Cueto, Víctor
Levey, Douglas J.
Morales, Marvin V.
author2_role author
author
author
author
dc.subject.none.fl_str_mv austral migration
continentality
seasonality
Tyrannidae
topic austral migration
continentality
seasonality
Tyrannidae
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Determinants of partial bird migration remain poorly understood at different latitudes. We describe partial migration of passerine birds across temperate latitudes in the New World. Due to lower seasonality near the coast of North America and in South America, the proportion of partial migrants at high latitudes in North America should be lower when excluding coastal records. We detected a 10% decrease in the proportion of partial migrant species at high latitudes when excluding those whose only winter records at those latitudes are coastal. We also expected a smaller proportion of partial migrants inland in North America vs. South America. However, at high latitudes, (i.e., >39¢ª) we found a similar proportion but a different taxonomic makeup of partial migrants between continents. Specifically for the Tyrannidae (New World flycatchers), we evaluated the latitude at which species overwinter in North vs. South America. The mean latitude at which North American partial migrant flycatchers overwinter when excluding those near the coast is 30.4¢ª N (2.8 SD), which is lower, but not significantly so, than of wintering flycatchers when considering winter records at all distances from the coast (32.3¢ª N, 3.2 SD). Furthermore, the mean latitude at which New World partial migrant flycatchers overwinter in temperate South America (30.3¢ª S; 5.6 SD) vs. inland North America is not significantly different. These results suggest that partial migrant bird species in the New World may be under different constraints, depending on factors such as habitat occupancy and distance of a population from the coast.
Fil: Jahn, Alex. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ecología, Genética y Evolución; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Ecología, Genética y Evolución de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Ecología, Genética y Evolución de Buenos Aires; Argentina
Fil: Bravo, Susana Patricia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Ecología, Genética y Evolución de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Ecología, Genética y Evolución de Buenos Aires; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ecología, Genética y Evolución; Argentina
Fil: Cueto, Víctor. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ecología, Genética y Evolución; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Ecología, Genética y Evolución de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Ecología, Genética y Evolución de Buenos Aires; Argentina
Fil: Levey, Douglas J.. No especifíca;
Fil: Morales, Marvin V.. No especifíca;
description Determinants of partial bird migration remain poorly understood at different latitudes. We describe partial migration of passerine birds across temperate latitudes in the New World. Due to lower seasonality near the coast of North America and in South America, the proportion of partial migrants at high latitudes in North America should be lower when excluding coastal records. We detected a 10% decrease in the proportion of partial migrant species at high latitudes when excluding those whose only winter records at those latitudes are coastal. We also expected a smaller proportion of partial migrants inland in North America vs. South America. However, at high latitudes, (i.e., >39¢ª) we found a similar proportion but a different taxonomic makeup of partial migrants between continents. Specifically for the Tyrannidae (New World flycatchers), we evaluated the latitude at which species overwinter in North vs. South America. The mean latitude at which North American partial migrant flycatchers overwinter when excluding those near the coast is 30.4¢ª N (2.8 SD), which is lower, but not significantly so, than of wintering flycatchers when considering winter records at all distances from the coast (32.3¢ª N, 3.2 SD). Furthermore, the mean latitude at which New World partial migrant flycatchers overwinter in temperate South America (30.3¢ª S; 5.6 SD) vs. inland North America is not significantly different. These results suggest that partial migrant bird species in the New World may be under different constraints, depending on factors such as habitat occupancy and distance of a population from the coast.
publishDate 2016
dc.date.none.fl_str_mv 2016-12
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
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://hdl.handle.net/11336/271511
Jahn, Alex; Bravo, Susana Patricia; Cueto, Víctor; Levey, Douglas J.; Morales, Marvin V.; Patterns of New World partial bird migration at north vs. south temperate latitudes; Csiro Publishing; Emu; 112; 1; 12-2016; 17-22
0158-4197
CONICET Digital
CONICET
url http://hdl.handle.net/11336/271511
identifier_str_mv Jahn, Alex; Bravo, Susana Patricia; Cueto, Víctor; Levey, Douglas J.; Morales, Marvin V.; Patterns of New World partial bird migration at north vs. south temperate latitudes; Csiro Publishing; Emu; 112; 1; 12-2016; 17-22
0158-4197
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/abs/10.1071/MU10091
info:eu-repo/semantics/altIdentifier/doi/10.1071/MU10091
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Csiro Publishing
publisher.none.fl_str_mv Csiro Publishing
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
_version_ 1844614446750629888
score 13.070432