Migratory connectivity of Golden-crowned Sparrows from two wintering regions in California
Knowledge of migratory connectivity is critical to understanding the consequences of habitat loss and climate change on migratory species. We used light-level geolocators to determine breeding locations and migratory routes of wintering Golden-crowned Sparrows (Zonotrichia atricapilla) in two region...
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De Gruyter
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ftdoajarticles:oai:doaj.org/article:0b26f6559c10415e89a65a5264013134 2023-05-15T17:46:43+02:00 Migratory connectivity of Golden-crowned Sparrows from two wintering regions in California Cormier Renée L Humple Diana L Gardali Thomas Seavy Nathaniel E 2016-08-01T00:00:00Z https://doi.org/10.1515/ami-2016-0005 https://doaj.org/article/0b26f6559c10415e89a65a5264013134 EN eng De Gruyter https://doi.org/10.1515/ami-2016-0005 https://doaj.org/toc/2084-8838 2084-8838 doi:10.1515/ami-2016-0005 https://doaj.org/article/0b26f6559c10415e89a65a5264013134 Animal Migration, Vol 3, Iss 1, Pp 48-56 (2016) light-level geolocation migratory divide migratory route rate of migration zonotrichia atricapilla wintering grounds Biology (General) QH301-705.5 article 2016 ftdoajarticles https://doi.org/10.1515/ami-2016-0005 2022-12-31T05:06:57Z Knowledge of migratory connectivity is critical to understanding the consequences of habitat loss and climate change on migratory species. We used light-level geolocators to determine breeding locations and migratory routes of wintering Golden-crowned Sparrows (Zonotrichia atricapilla) in two regions of California, USA. Eight out of 9 birds tagged at coastal-wintering sites in Marin County went to breeding sites along the Gulf Coast of Alaska, while 7 out of 8 inland-wintering birds in Placer County migrated to interior sites in the Yukon, Northwest Territories, and British Columbia, Canada. Our estimate of the strength of migratory connectivity was relatively high (rm = 0.66). Coastal-wintering birds followed a coastal migration route while inland-wintering birds migrated inland. Coastalwintering birds migrated significantly farther than inland birds (3,624 km versus 2,442 km). Coastal birds traveled at a greater rate during spring migration (179 km/d) than did inland birds (118 km/d), but there was no statistical difference in the rate of fall migration (167 km/d and 111 km/d, respectively). Dates of arrival and departure, and duration of spring and fall migration, did not differ between groups, nor did return rates. Rates of return also did not differ between tagged and control birds. The distinct migration routes and breeding areas suggests that there may be more structuring in the migratory geography of the Golden-crowned Sparrow than in a simple panmictic population. Article in Journal/Newspaper Northwest Territories Alaska Yukon Directory of Open Access Journals: DOAJ Articles Yukon Northwest Territories Canada British Columbia ENVELOPE(-125.003,-125.003,54.000,54.000) Animal Migration 3 1 48 56 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
light-level geolocation migratory divide migratory route rate of migration zonotrichia atricapilla wintering grounds Biology (General) QH301-705.5 |
spellingShingle |
light-level geolocation migratory divide migratory route rate of migration zonotrichia atricapilla wintering grounds Biology (General) QH301-705.5 Cormier Renée L Humple Diana L Gardali Thomas Seavy Nathaniel E Migratory connectivity of Golden-crowned Sparrows from two wintering regions in California |
topic_facet |
light-level geolocation migratory divide migratory route rate of migration zonotrichia atricapilla wintering grounds Biology (General) QH301-705.5 |
description |
Knowledge of migratory connectivity is critical to understanding the consequences of habitat loss and climate change on migratory species. We used light-level geolocators to determine breeding locations and migratory routes of wintering Golden-crowned Sparrows (Zonotrichia atricapilla) in two regions of California, USA. Eight out of 9 birds tagged at coastal-wintering sites in Marin County went to breeding sites along the Gulf Coast of Alaska, while 7 out of 8 inland-wintering birds in Placer County migrated to interior sites in the Yukon, Northwest Territories, and British Columbia, Canada. Our estimate of the strength of migratory connectivity was relatively high (rm = 0.66). Coastal-wintering birds followed a coastal migration route while inland-wintering birds migrated inland. Coastalwintering birds migrated significantly farther than inland birds (3,624 km versus 2,442 km). Coastal birds traveled at a greater rate during spring migration (179 km/d) than did inland birds (118 km/d), but there was no statistical difference in the rate of fall migration (167 km/d and 111 km/d, respectively). Dates of arrival and departure, and duration of spring and fall migration, did not differ between groups, nor did return rates. Rates of return also did not differ between tagged and control birds. The distinct migration routes and breeding areas suggests that there may be more structuring in the migratory geography of the Golden-crowned Sparrow than in a simple panmictic population. |
format |
Article in Journal/Newspaper |
author |
Cormier Renée L Humple Diana L Gardali Thomas Seavy Nathaniel E |
author_facet |
Cormier Renée L Humple Diana L Gardali Thomas Seavy Nathaniel E |
author_sort |
Cormier Renée L |
title |
Migratory connectivity of Golden-crowned Sparrows from two wintering regions in California |
title_short |
Migratory connectivity of Golden-crowned Sparrows from two wintering regions in California |
title_full |
Migratory connectivity of Golden-crowned Sparrows from two wintering regions in California |
title_fullStr |
Migratory connectivity of Golden-crowned Sparrows from two wintering regions in California |
title_full_unstemmed |
Migratory connectivity of Golden-crowned Sparrows from two wintering regions in California |
title_sort |
migratory connectivity of golden-crowned sparrows from two wintering regions in california |
publisher |
De Gruyter |
publishDate |
2016 |
url |
https://doi.org/10.1515/ami-2016-0005 https://doaj.org/article/0b26f6559c10415e89a65a5264013134 |
long_lat |
ENVELOPE(-125.003,-125.003,54.000,54.000) |
geographic |
Yukon Northwest Territories Canada British Columbia |
geographic_facet |
Yukon Northwest Territories Canada British Columbia |
genre |
Northwest Territories Alaska Yukon |
genre_facet |
Northwest Territories Alaska Yukon |
op_source |
Animal Migration, Vol 3, Iss 1, Pp 48-56 (2016) |
op_relation |
https://doi.org/10.1515/ami-2016-0005 https://doaj.org/toc/2084-8838 2084-8838 doi:10.1515/ami-2016-0005 https://doaj.org/article/0b26f6559c10415e89a65a5264013134 |
op_doi |
https://doi.org/10.1515/ami-2016-0005 |
container_title |
Animal Migration |
container_volume |
3 |
container_issue |
1 |
container_start_page |
48 |
op_container_end_page |
56 |
_version_ |
1766150538182787072 |