Western sandpipers have altered migration tactics as peregrine falcon populations have recovered.
The presence of top predators can affect prey behaviour, morphology and life history, and thereby can produce indirect population consequences greater and further reaching than direct depredation would have alone. Raptor species in the Americas are recovering since restrictions on the use of dichlor...
Published in: | Proceedings of the Royal Society of London. Series B: Biological Sciences |
---|---|
Main Authors: | , , , , |
Format: | Text |
Language: | English |
Published: |
2004
|
Subjects: | |
Online Access: | http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1691718 http://www.ncbi.nlm.nih.gov/pubmed/15306350 https://doi.org/10.1098/rspb.2004.2713 |
id |
ftpubmed:oai:pubmedcentral.nih.gov:1691718 |
---|---|
record_format |
openpolar |
spelling |
ftpubmed:oai:pubmedcentral.nih.gov:1691718 2023-05-15T16:09:57+02:00 Western sandpipers have altered migration tactics as peregrine falcon populations have recovered. Ydenberg, Ronald C Butler, Robert W Lank, David B Smith, Barry D Ireland, John 2004-06-22 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1691718 http://www.ncbi.nlm.nih.gov/pubmed/15306350 https://doi.org/10.1098/rspb.2004.2713 en eng http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1691718 http://www.ncbi.nlm.nih.gov/pubmed/15306350 http://dx.doi.org/10.1098/rspb.2004.2713 Research Article Text 2004 ftpubmed https://doi.org/10.1098/rspb.2004.2713 2013-08-31T12:36:21Z The presence of top predators can affect prey behaviour, morphology and life history, and thereby can produce indirect population consequences greater and further reaching than direct depredation would have alone. Raptor species in the Americas are recovering since restrictions on the use of dichlorodiphenyltrichloroethane (DDT) and the implementation of conservation measures, in effect constituting a hemisphere-wide predator-reintroduction experiment, and profound effects on populations of their prey are to be expected. Here, we document changes in the behaviour of western sandpipers (Calidris mauri) at migratory stopover sites over two decades. Since 1985, migratory body mass and stopover durations of western sandpipers have fallen steadily at some stopovers in the Strait of Georgia, British Columbia. Comparisons between years, sites and seasons strongly implicate increasing danger from the recovery of peregrine falcons (Falco peregrinus) as a causal factor. A decade-long ongoing steep decline in sandpiper numbers censused on our study site is explained entirely by the shortening stopover duration, rather than fewer individuals using the site. Such behavioural changes are probably general among migratory shorebird species, and may be contributing to the widespread census declines reported in North America. Text Falco peregrinus peregrine falcon PubMed Central (PMC) Proceedings of the Royal Society of London. Series B: Biological Sciences 271 1545 1263 1269 |
institution |
Open Polar |
collection |
PubMed Central (PMC) |
op_collection_id |
ftpubmed |
language |
English |
topic |
Research Article |
spellingShingle |
Research Article Ydenberg, Ronald C Butler, Robert W Lank, David B Smith, Barry D Ireland, John Western sandpipers have altered migration tactics as peregrine falcon populations have recovered. |
topic_facet |
Research Article |
description |
The presence of top predators can affect prey behaviour, morphology and life history, and thereby can produce indirect population consequences greater and further reaching than direct depredation would have alone. Raptor species in the Americas are recovering since restrictions on the use of dichlorodiphenyltrichloroethane (DDT) and the implementation of conservation measures, in effect constituting a hemisphere-wide predator-reintroduction experiment, and profound effects on populations of their prey are to be expected. Here, we document changes in the behaviour of western sandpipers (Calidris mauri) at migratory stopover sites over two decades. Since 1985, migratory body mass and stopover durations of western sandpipers have fallen steadily at some stopovers in the Strait of Georgia, British Columbia. Comparisons between years, sites and seasons strongly implicate increasing danger from the recovery of peregrine falcons (Falco peregrinus) as a causal factor. A decade-long ongoing steep decline in sandpiper numbers censused on our study site is explained entirely by the shortening stopover duration, rather than fewer individuals using the site. Such behavioural changes are probably general among migratory shorebird species, and may be contributing to the widespread census declines reported in North America. |
format |
Text |
author |
Ydenberg, Ronald C Butler, Robert W Lank, David B Smith, Barry D Ireland, John |
author_facet |
Ydenberg, Ronald C Butler, Robert W Lank, David B Smith, Barry D Ireland, John |
author_sort |
Ydenberg, Ronald C |
title |
Western sandpipers have altered migration tactics as peregrine falcon populations have recovered. |
title_short |
Western sandpipers have altered migration tactics as peregrine falcon populations have recovered. |
title_full |
Western sandpipers have altered migration tactics as peregrine falcon populations have recovered. |
title_fullStr |
Western sandpipers have altered migration tactics as peregrine falcon populations have recovered. |
title_full_unstemmed |
Western sandpipers have altered migration tactics as peregrine falcon populations have recovered. |
title_sort |
western sandpipers have altered migration tactics as peregrine falcon populations have recovered. |
publishDate |
2004 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1691718 http://www.ncbi.nlm.nih.gov/pubmed/15306350 https://doi.org/10.1098/rspb.2004.2713 |
genre |
Falco peregrinus peregrine falcon |
genre_facet |
Falco peregrinus peregrine falcon |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1691718 http://www.ncbi.nlm.nih.gov/pubmed/15306350 http://dx.doi.org/10.1098/rspb.2004.2713 |
op_doi |
https://doi.org/10.1098/rspb.2004.2713 |
container_title |
Proceedings of the Royal Society of London. Series B: Biological Sciences |
container_volume |
271 |
container_issue |
1545 |
container_start_page |
1263 |
op_container_end_page |
1269 |
_version_ |
1765995204936990720 |