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
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/271511
Ver los metadatos del registro completo
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 |