Migration and winter distribution of the Chestnutcollared Longspur
The Chestnut-collared Longspur (Calcarius ornatus) is one of five grassland songbirds, endemic within North America, with populations that have declined >65% since the 1960s. These species breed and winter in the northern and southern Great Plains, respectively. Identifying migration routes, wint...
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De Gruyter
2017
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oai:doaj.org-article:18dfde3570f84d4b935f1574fd96a4f82021-12-02T19:17:53ZMigration and winter distribution of the Chestnutcollared Longspur2084-883810.1515/ami-2017-0005https://doaj.org/article/18dfde3570f84d4b935f1574fd96a4f82017-12-01T00:00:00Zhttps://doi.org/10.1515/ami-2017-0005https://doaj.org/toc/2084-8838The Chestnut-collared Longspur (Calcarius ornatus) is one of five grassland songbirds, endemic within North America, with populations that have declined >65% since the 1960s. These species breed and winter in the northern and southern Great Plains, respectively. Identifying migration routes, wintering sites, and the timing of their habitat use is key for understanding the relative magnitude of threats across the annual cycle and effectively targeting habitats for conservation. We tracked migratory movements of seven Chestnut-collared Longspurs with light-level geolocators deployed in Canada. Individuals wintered up to 112-1,200km apart. All followed the Central Flyway, circumvented high-elevation terrain, and traveled east of the breeding location. Unlike most songbirds, the durations of spring and fall migrations were similar; on average 42 ± 7d and 41 ± 5d during fall and spring migrations, respectively, for an approximately 2,000km migration; this highlights the need to better understand habitat requirements during migration for grassland songbirds. Using geospatial habitat data, we assessed winter distribution overlap with four other endemic grassland songbirds; wintering range overlapped 63-99%. Future studies should use more precise devices (e.g., archival GPS units), programmed for data collection dates from this study, to identify specific migratory sites for better conserving this and associated grassland species.Ellison KevinMcKinnon EmilyZack SteveOlimb SarahSparks RobertStrasser ErinDe Gruyterarticlecroplandgeo-loggergrasslandsmigration ratenorthern great plainssongbirdBiology (General)QH301-705.5ENAnimal Migration, Vol 4, Iss 1, Pp 37-50 (2017) |
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cropland geo-logger grasslands migration rate northern great plains songbird Biology (General) QH301-705.5 |
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cropland geo-logger grasslands migration rate northern great plains songbird Biology (General) QH301-705.5 Ellison Kevin McKinnon Emily Zack Steve Olimb Sarah Sparks Robert Strasser Erin Migration and winter distribution of the Chestnutcollared Longspur |
| description |
The Chestnut-collared Longspur (Calcarius ornatus) is one of five grassland songbirds, endemic within North America, with populations that have declined >65% since the 1960s. These species breed and winter in the northern and southern Great Plains, respectively. Identifying migration routes, wintering sites, and the timing of their habitat use is key for understanding the relative magnitude of threats across the annual cycle and effectively targeting habitats for conservation. We tracked migratory movements of seven Chestnut-collared Longspurs with light-level geolocators deployed in Canada. Individuals wintered up to 112-1,200km apart. All followed the Central Flyway, circumvented high-elevation terrain, and traveled east of the breeding location. Unlike most songbirds, the durations of spring and fall migrations were similar; on average 42 ± 7d and 41 ± 5d during fall and spring migrations, respectively, for an approximately 2,000km migration; this highlights the need to better understand habitat requirements during migration for grassland songbirds. Using geospatial habitat data, we assessed winter distribution overlap with four other endemic grassland songbirds; wintering range overlapped 63-99%. Future studies should use more precise devices (e.g., archival GPS units), programmed for data collection dates from this study, to identify specific migratory sites for better conserving this and associated grassland species. |
| format |
article |
| author |
Ellison Kevin McKinnon Emily Zack Steve Olimb Sarah Sparks Robert Strasser Erin |
| author_facet |
Ellison Kevin McKinnon Emily Zack Steve Olimb Sarah Sparks Robert Strasser Erin |
| author_sort |
Ellison Kevin |
| title |
Migration and winter distribution of the Chestnutcollared Longspur |
| title_short |
Migration and winter distribution of the Chestnutcollared Longspur |
| title_full |
Migration and winter distribution of the Chestnutcollared Longspur |
| title_fullStr |
Migration and winter distribution of the Chestnutcollared Longspur |
| title_full_unstemmed |
Migration and winter distribution of the Chestnutcollared Longspur |
| title_sort |
migration and winter distribution of the chestnutcollared longspur |
| publisher |
De Gruyter |
| publishDate |
2017 |
| url |
https://doaj.org/article/18dfde3570f84d4b935f1574fd96a4f8 |
| work_keys_str_mv |
AT ellisonkevin migrationandwinterdistributionofthechestnutcollaredlongspur AT mckinnonemily migrationandwinterdistributionofthechestnutcollaredlongspur AT zacksteve migrationandwinterdistributionofthechestnutcollaredlongspur AT olimbsarah migrationandwinterdistributionofthechestnutcollaredlongspur AT sparksrobert migrationandwinterdistributionofthechestnutcollaredlongspur AT strassererin migrationandwinterdistributionofthechestnutcollaredlongspur |
| _version_ |
1718376840124432384 |