Do migrating White-crested Elaenia, Elaenia albiceps chilensis, use stop-over sites en route to their breeding areas? Evidence from the central Monte desert, Argentina

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Very few bird species are able to complete a single long migratory flight. Instead, a far more common strategy is that birds rest and feed almost every day, accomplishing their journeys in a series of short flights. We evaluated if White-crested Elaenia (Elaenia albiceps chilensis) displays evidence...

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Detalles Bibliográficos
Autores principales: Cueto, V.R., Sagario, M.C., Lopez De Casenave, J.
Formato: JOUR
Materias:
annual cycle
breeding site
desert
flight behavior
fruit
hypothesis testing
migratory species
Neotropical Region
passerine
site fidelity
stopover
Argentina
Mendoza
Monte Desert
Aves
Elaenia
Elaenia albiceps
Stigmatura budytoides
Sublegatus modestus
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_01584197_v116_n3_p301_Cueto
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_01584197_v116_n3_p301_Cueto
record_format dspace
spelling todo:paper_01584197_v116_n3_p301_Cueto2023-10-03T15:01:15Z Do migrating White-crested Elaenia, Elaenia albiceps chilensis, use stop-over sites en route to their breeding areas? Evidence from the central Monte desert, Argentina Cueto, V.R. Sagario, M.C. Lopez De Casenave, J. annual cycle breeding site desert flight behavior fruit hypothesis testing migratory species Neotropical Region passerine site fidelity stopover Argentina Mendoza Monte Desert Aves Elaenia Elaenia albiceps Stigmatura budytoides Sublegatus modestus Very few bird species are able to complete a single long migratory flight. Instead, a far more common strategy is that birds rest and feed almost every day, accomplishing their journeys in a series of short flights. We evaluated if White-crested Elaenia (Elaenia albiceps chilensis) displays evidence of en route migratory disposition in the central Monte desert, Argentina. Recaptures and resights were lower for White-crested Elaenias than for Greater Wagtail-tyrants (Stigmatura budytoides; resident) and Southern Scrub-flycatchers (Sublegatus modestus; spring-summer visitor). The latter species showed site fidelity between years, but White-crested Elaenia did not. Percentage of individuals with cloacal protuberance was similar among the species, but individuals with brood patches were recorded only in Greater Wagtail-tyrants and Southern Scrub-flycatchers. White-crested Elaenias showed low, medium and high fat stores, while the other species presented no fat or low fat stores. White-crested Elaenia had a high level of fruit consumption, while the other species consumed fruits occasionally or not at all. Our results support the hypothesis that the White-crested Elaenia uses the Monte desert as a stop-over area during its spring flight, and yield novel insights to fill a gap in our knowledge about the annual cycle of migrant birds in the Neotropics. © BirdLife Australia 2016. Fil:Cueto, V.R. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Sagario, M.C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_01584197_v116_n3_p301_Cueto
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic annual cycle
breeding site
desert
flight behavior
fruit
hypothesis testing
migratory species
Neotropical Region
passerine
site fidelity
stopover
Argentina
Mendoza
Monte Desert
Aves
Elaenia
Elaenia albiceps
Stigmatura budytoides
Sublegatus modestus
spellingShingle annual cycle
breeding site
desert
flight behavior
fruit
hypothesis testing
migratory species
Neotropical Region
passerine
site fidelity
stopover
Argentina
Mendoza
Monte Desert
Aves
Elaenia
Elaenia albiceps
Stigmatura budytoides
Sublegatus modestus
Cueto, V.R.
Sagario, M.C.
Lopez De Casenave, J.
Do migrating White-crested Elaenia, Elaenia albiceps chilensis, use stop-over sites en route to their breeding areas? Evidence from the central Monte desert, Argentina
topic_facet annual cycle
breeding site
desert
flight behavior
fruit
hypothesis testing
migratory species
Neotropical Region
passerine
site fidelity
stopover
Argentina
Mendoza
Monte Desert
Aves
Elaenia
Elaenia albiceps
Stigmatura budytoides
Sublegatus modestus
description Very few bird species are able to complete a single long migratory flight. Instead, a far more common strategy is that birds rest and feed almost every day, accomplishing their journeys in a series of short flights. We evaluated if White-crested Elaenia (Elaenia albiceps chilensis) displays evidence of en route migratory disposition in the central Monte desert, Argentina. Recaptures and resights were lower for White-crested Elaenias than for Greater Wagtail-tyrants (Stigmatura budytoides; resident) and Southern Scrub-flycatchers (Sublegatus modestus; spring-summer visitor). The latter species showed site fidelity between years, but White-crested Elaenia did not. Percentage of individuals with cloacal protuberance was similar among the species, but individuals with brood patches were recorded only in Greater Wagtail-tyrants and Southern Scrub-flycatchers. White-crested Elaenias showed low, medium and high fat stores, while the other species presented no fat or low fat stores. White-crested Elaenia had a high level of fruit consumption, while the other species consumed fruits occasionally or not at all. Our results support the hypothesis that the White-crested Elaenia uses the Monte desert as a stop-over area during its spring flight, and yield novel insights to fill a gap in our knowledge about the annual cycle of migrant birds in the Neotropics. © BirdLife Australia 2016.
format JOUR
author Cueto, V.R.
Sagario, M.C.
Lopez De Casenave, J.
author_facet Cueto, V.R.
Sagario, M.C.
Lopez De Casenave, J.
author_sort Cueto, V.R.
title Do migrating White-crested Elaenia, Elaenia albiceps chilensis, use stop-over sites en route to their breeding areas? Evidence from the central Monte desert, Argentina
title_short Do migrating White-crested Elaenia, Elaenia albiceps chilensis, use stop-over sites en route to their breeding areas? Evidence from the central Monte desert, Argentina
title_full Do migrating White-crested Elaenia, Elaenia albiceps chilensis, use stop-over sites en route to their breeding areas? Evidence from the central Monte desert, Argentina
title_fullStr Do migrating White-crested Elaenia, Elaenia albiceps chilensis, use stop-over sites en route to their breeding areas? Evidence from the central Monte desert, Argentina
title_full_unstemmed Do migrating White-crested Elaenia, Elaenia albiceps chilensis, use stop-over sites en route to their breeding areas? Evidence from the central Monte desert, Argentina
title_sort do migrating white-crested elaenia, elaenia albiceps chilensis, use stop-over sites en route to their breeding areas? evidence from the central monte desert, argentina
url http://hdl.handle.net/20.500.12110/paper_01584197_v116_n3_p301_Cueto
work_keys_str_mv AT cuetovr domigratingwhitecrestedelaeniaelaeniaalbicepschilensisusestopoversitesenroutetotheirbreedingareasevidencefromthecentralmontedesertargentina
AT sagariomc domigratingwhitecrestedelaeniaelaeniaalbicepschilensisusestopoversitesenroutetotheirbreedingareasevidencefromthecentralmontedesertargentina
AT lopezdecasenavej domigratingwhitecrestedelaeniaelaeniaalbicepschilensisusestopoversitesenroutetotheirbreedingareasevidencefromthecentralmontedesertargentina
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