Geolocators reveal migration routes, stopover sites, and nonbreeding dispersion in a population of Cerulean Warblers

Cerulean Warblers (Setophaga cerulea) are among the fastest declining Nearctic-Neotropical migrant wood-warblers (Parulidae) in North America. Despite ongoing conservation efforts, little is known about their non-breeding distribution. In June 2016-2018, we deployed geolocators (n = 30) on adult mal...

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Autores principales:	Delancey Clayton D, Islam Kamal, Kramer Gunnar R, MacDonald Garrett J, Sharp Alexander R, Connare Brandon M
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2020
Materias:	full annual cycle migratory connectivity setophaga cerulea Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/399f053097774d10a36a9d4af885fc63
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spelling	oai:doaj.org-article:399f053097774d10a36a9d4af885fc632021-12-02T17:31:50ZGeolocators reveal migration routes, stopover sites, and nonbreeding dispersion in a population of Cerulean Warblers2084-883810.1515/ami-2020-0003https://doaj.org/article/399f053097774d10a36a9d4af885fc632020-03-01T00:00:00Zhttps://doi.org/10.1515/ami-2020-0003https://doaj.org/toc/2084-8838Cerulean Warblers (Setophaga cerulea) are among the fastest declining Nearctic-Neotropical migrant wood-warblers (Parulidae) in North America. Despite ongoing conservation efforts, little is known about their non-breeding distribution. In June 2016-2018, we deployed geolocators (n = 30) on adult male Cerulean Warblers in Indiana, USA, to track annual movements of individuals. Recovered geolocators (n = 4) showed that Cerulean Warblers occurred broadly throughout northern South America. Autumn migration lasted 44-71 days (n = 4), whereas spring migration lasted 37-41 days (n = 3). The average migration distance was 5268 km. During autumn migration, Cerulean Warblers made 1-4 stopovers (i.e., ≥2 days; n = 4) and 1-2 stopovers during spring migration (n = 3). When crossing the Gulf of Mexico during autumn migration, two birds stopped over after crossing, but not beforehand. Two others navigated through the Caribbean rather than crossing the Gulf of Mexico. During spring migration, one individual stopped after crossing, one individual stopped before crossing, and one individual stopped before and after crossing the Gulf of Mexico. No birds migrated through the Caribbean Islands during spring migration. These results represent novel information describing annual movements of individual Cerulean Warblers and will inform conservation efforts for this declining species.Delancey Clayton DIslam KamalKramer Gunnar RMacDonald Garrett JSharp Alexander RConnare Brandon MDe Gruyterarticlefull annual cyclemigratory connectivitysetophaga ceruleaBiology (General)QH301-705.5ENAnimal Migration, Vol 7, Iss 1, Pp 19-26 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	full annual cycle migratory connectivity setophaga cerulea Biology (General) QH301-705.5
spellingShingle	full annual cycle migratory connectivity setophaga cerulea Biology (General) QH301-705.5 Delancey Clayton D Islam Kamal Kramer Gunnar R MacDonald Garrett J Sharp Alexander R Connare Brandon M Geolocators reveal migration routes, stopover sites, and nonbreeding dispersion in a population of Cerulean Warblers
description	Cerulean Warblers (Setophaga cerulea) are among the fastest declining Nearctic-Neotropical migrant wood-warblers (Parulidae) in North America. Despite ongoing conservation efforts, little is known about their non-breeding distribution. In June 2016-2018, we deployed geolocators (n = 30) on adult male Cerulean Warblers in Indiana, USA, to track annual movements of individuals. Recovered geolocators (n = 4) showed that Cerulean Warblers occurred broadly throughout northern South America. Autumn migration lasted 44-71 days (n = 4), whereas spring migration lasted 37-41 days (n = 3). The average migration distance was 5268 km. During autumn migration, Cerulean Warblers made 1-4 stopovers (i.e., ≥2 days; n = 4) and 1-2 stopovers during spring migration (n = 3). When crossing the Gulf of Mexico during autumn migration, two birds stopped over after crossing, but not beforehand. Two others navigated through the Caribbean rather than crossing the Gulf of Mexico. During spring migration, one individual stopped after crossing, one individual stopped before crossing, and one individual stopped before and after crossing the Gulf of Mexico. No birds migrated through the Caribbean Islands during spring migration. These results represent novel information describing annual movements of individual Cerulean Warblers and will inform conservation efforts for this declining species.
format	article
author	Delancey Clayton D Islam Kamal Kramer Gunnar R MacDonald Garrett J Sharp Alexander R Connare Brandon M
author_facet	Delancey Clayton D Islam Kamal Kramer Gunnar R MacDonald Garrett J Sharp Alexander R Connare Brandon M
author_sort	Delancey Clayton D
title	Geolocators reveal migration routes, stopover sites, and nonbreeding dispersion in a population of Cerulean Warblers
title_short	Geolocators reveal migration routes, stopover sites, and nonbreeding dispersion in a population of Cerulean Warblers
title_full	Geolocators reveal migration routes, stopover sites, and nonbreeding dispersion in a population of Cerulean Warblers
title_fullStr	Geolocators reveal migration routes, stopover sites, and nonbreeding dispersion in a population of Cerulean Warblers
title_full_unstemmed	Geolocators reveal migration routes, stopover sites, and nonbreeding dispersion in a population of Cerulean Warblers
title_sort	geolocators reveal migration routes, stopover sites, and nonbreeding dispersion in a population of cerulean warblers
publisher	De Gruyter
publishDate	2020
url	https://doaj.org/article/399f053097774d10a36a9d4af885fc63
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Geolocators reveal migration routes, stopover sites, and nonbreeding dispersion in a population of Cerulean Warblers

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