Fall and Winter Movements of Newfoundland Graycheeked Thrushes (Catharus Minimus Minimus)

The Newfoundland subspecies of Gray-cheeked Thrush (Catharus minimus minimus) has declined since the 1980s and degradation of winter habitat has been suggested as a contributing stressor. However, the winter range of this subspecies is not well understood, so we fitted 29 males with archival GPS tag...

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Autores principales:	Whitaker Darroch M., Warkentin Ian G., Hobson Keith A., Thomas Peter, Boardman Rinchen
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2018
Materias:	colombia migration migratory connectivity pinpoint gps tag venezuela winter Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/15d9c01828a242f78c5686cd1dfbace1
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spelling	oai:doaj.org-article:15d9c01828a242f78c5686cd1dfbace12021-12-02T16:42:10ZFall and Winter Movements of Newfoundland Graycheeked Thrushes (Catharus Minimus Minimus)2084-883810.1515/ami-2018-0004https://doaj.org/article/15d9c01828a242f78c5686cd1dfbace12018-10-01T00:00:00Zhttps://doi.org/10.1515/ami-2018-0004https://doaj.org/toc/2084-8838The Newfoundland subspecies of Gray-cheeked Thrush (Catharus minimus minimus) has declined since the 1980s and degradation of winter habitat has been suggested as a contributing stressor. However, the winter range of this subspecies is not well understood, so we fitted 29 males with archival GPS tags during summer 2016. Four tagged thrushes were recaptured in summer 2017 and, though all tags had missing locations and broken antennae, the data retrieved showed that one thrush wintered in the Sierra Nevada de Santa Marta (SNSM) in northern Colombia, one in the nearby Sierra de Perija in Venezuela, and a third may have settled in the same region. One tag provided locations until April 21 and that thrush was consistently detected within a ~1 ha area through the winter. Locations obtained during fall migration indicated that thrushes travelled to South America via Central America and possibly by directly crossing the Caribbean. Contemporary research indicates that the SNSM is an important migratory stopover for Northern Gray-cheeked Thrushes (C. m. aliciae) but a historical report coupled with our observations suggest winter use of the SNSM and adjacent areas in northern South America by C. m. minimus, though numbers may be lower than during the 1900s.Whitaker Darroch M.Warkentin Ian G.Hobson Keith A.Thomas PeterBoardman RinchenDe Gruyterarticlecolombiamigrationmigratory connectivitypinpoint gps tagvenezuelawinterBiology (General)QH301-705.5ENAnimal Migration, Vol 5, Iss 1, Pp 42-48 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	colombia migration migratory connectivity pinpoint gps tag venezuela winter Biology (General) QH301-705.5
spellingShingle	colombia migration migratory connectivity pinpoint gps tag venezuela winter Biology (General) QH301-705.5 Whitaker Darroch M. Warkentin Ian G. Hobson Keith A. Thomas Peter Boardman Rinchen Fall and Winter Movements of Newfoundland Graycheeked Thrushes (Catharus Minimus Minimus)
description	The Newfoundland subspecies of Gray-cheeked Thrush (Catharus minimus minimus) has declined since the 1980s and degradation of winter habitat has been suggested as a contributing stressor. However, the winter range of this subspecies is not well understood, so we fitted 29 males with archival GPS tags during summer 2016. Four tagged thrushes were recaptured in summer 2017 and, though all tags had missing locations and broken antennae, the data retrieved showed that one thrush wintered in the Sierra Nevada de Santa Marta (SNSM) in northern Colombia, one in the nearby Sierra de Perija in Venezuela, and a third may have settled in the same region. One tag provided locations until April 21 and that thrush was consistently detected within a ~1 ha area through the winter. Locations obtained during fall migration indicated that thrushes travelled to South America via Central America and possibly by directly crossing the Caribbean. Contemporary research indicates that the SNSM is an important migratory stopover for Northern Gray-cheeked Thrushes (C. m. aliciae) but a historical report coupled with our observations suggest winter use of the SNSM and adjacent areas in northern South America by C. m. minimus, though numbers may be lower than during the 1900s.
format	article
author	Whitaker Darroch M. Warkentin Ian G. Hobson Keith A. Thomas Peter Boardman Rinchen
author_facet	Whitaker Darroch M. Warkentin Ian G. Hobson Keith A. Thomas Peter Boardman Rinchen
author_sort	Whitaker Darroch M.
title	Fall and Winter Movements of Newfoundland Graycheeked Thrushes (Catharus Minimus Minimus)
title_short	Fall and Winter Movements of Newfoundland Graycheeked Thrushes (Catharus Minimus Minimus)
title_full	Fall and Winter Movements of Newfoundland Graycheeked Thrushes (Catharus Minimus Minimus)
title_fullStr	Fall and Winter Movements of Newfoundland Graycheeked Thrushes (Catharus Minimus Minimus)
title_full_unstemmed	Fall and Winter Movements of Newfoundland Graycheeked Thrushes (Catharus Minimus Minimus)
title_sort	fall and winter movements of newfoundland graycheeked thrushes (catharus minimus minimus)
publisher	De Gruyter
publishDate	2018
url	https://doaj.org/article/15d9c01828a242f78c5686cd1dfbace1
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Fall and Winter Movements of Newfoundland Graycheeked Thrushes (Catharus Minimus Minimus)

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