Band recoveries reveal alternative migration strategies in American Robins
Migration strategies may change in response to climate change with consequences for conservation efforts. We used 80 years (1934−2014) of band recovery data (N = 1,057) to describe spatial and temporal patterns in the migration behavior of American Robins. The distribution of recoveries suggests str...
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De Gruyter
2016
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oai:doaj.org-article:2771fc0e2cf64c92a43ac8aacd5a69342021-12-02T19:17:53ZBand recoveries reveal alternative migration strategies in American Robins2084-883810.1515/ami-2016-0004https://doaj.org/article/2771fc0e2cf64c92a43ac8aacd5a69342016-07-01T00:00:00Zhttps://doi.org/10.1515/ami-2016-0004https://doaj.org/toc/2084-8838Migration strategies may change in response to climate change with consequences for conservation efforts. We used 80 years (1934−2014) of band recovery data (N = 1,057) to describe spatial and temporal patterns in the migration behavior of American Robins. The distribution of recoveries suggests strong continental scale connectivity with distinct separation between eastern and western North America, with a more moderate degree of connectivity within these regions. We also found little evidence of differential migration between males and females. Despite previous studies that suggest the winter distribution of robins has shifted northward, our analysis shows no obvious change in migration distance over time. Surprisingly, we found that a significant proportion of across season band recoveries occurred locally (20%), in close proximity to the original banding locations. It’s well known that large numbers of robins linger in northern breeding grounds well into the winter of some years, but the proximity of these birds to breeding areas was previously unknown. We found little evidence that the winter latitude of migrants or local recoveries shifted over time. However, there was a trend for increased frequency of local recoveries in recent decades, providing an alternative hypothesis for the northward shift in winter distribution.Brown DavidMiller GailDe Gruyterarticleturdus migratorius bird banding climate change partial migration winter residency distribution shiftBiology (General)QH301-705.5ENAnimal Migration, Vol 3, Iss 1, Pp 35-47 (2016) |
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DOAJ |
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EN |
| topic |
turdus migratorius bird banding climate change partial migration winter residency distribution shift Biology (General) QH301-705.5 |
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turdus migratorius bird banding climate change partial migration winter residency distribution shift Biology (General) QH301-705.5 Brown David Miller Gail Band recoveries reveal alternative migration strategies in American Robins |
| description |
Migration strategies may change in response
to climate change with consequences for conservation
efforts. We used 80 years (1934−2014) of band recovery
data (N = 1,057) to describe spatial and temporal patterns
in the migration behavior of American Robins. The
distribution of recoveries suggests strong continental scale
connectivity with distinct separation between eastern and
western North America, with a more moderate degree of
connectivity within these regions. We also found little
evidence of differential migration between males and
females. Despite previous studies that suggest the winter
distribution of robins has shifted northward, our analysis
shows no obvious change in migration distance over time.
Surprisingly, we found that a significant proportion of
across season band recoveries occurred locally (20%), in
close proximity to the original banding locations. It’s well
known that large numbers of robins linger in northern
breeding grounds well into the winter of some years, but the
proximity of these birds to breeding areas was previously
unknown. We found little evidence that the winter latitude
of migrants or local recoveries shifted over time. However,
there was a trend for increased frequency of local recoveries
in recent decades, providing an alternative hypothesis for
the northward shift in winter distribution. |
| format |
article |
| author |
Brown David Miller Gail |
| author_facet |
Brown David Miller Gail |
| author_sort |
Brown David |
| title |
Band recoveries reveal alternative migration
strategies in American Robins |
| title_short |
Band recoveries reveal alternative migration
strategies in American Robins |
| title_full |
Band recoveries reveal alternative migration
strategies in American Robins |
| title_fullStr |
Band recoveries reveal alternative migration
strategies in American Robins |
| title_full_unstemmed |
Band recoveries reveal alternative migration
strategies in American Robins |
| title_sort |
band recoveries reveal alternative migration
strategies in american robins |
| publisher |
De Gruyter |
| publishDate |
2016 |
| url |
https://doaj.org/article/2771fc0e2cf64c92a43ac8aacd5a6934 |
| work_keys_str_mv |
AT browndavid bandrecoveriesrevealalternativemigrationstrategiesinamericanrobins AT millergail bandrecoveriesrevealalternativemigrationstrategiesinamericanrobins |
| _version_ |
1718376842172301312 |