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Orientation of shorebirds in relation to wind: both drift and compensation in the same region
Kristianstad University, School of Education and Environment, Avdelningen för Naturvetenskap. Kristianstad University, Research environment Man & Biosphere Health (MABH).ORCID iD: 0000-0003-2051-5581
Lunds universitet.
Lunds universitet.
2013 (English)In: Journal of Ornithology, ISSN 2193-7192, E-ISSN 2193-7206, Vol. 154, 385-392 p.Article in journal (Refereed) Published
Abstract [en]

Migratorymovements in air or water are strongly affected by wind and ocean currents and an animal which does not compensate for lateral flow will be drifted from its intended direction of movement. We investigated whether arctic shorebirds during autumn migration in the region of South Sweden and the southern Baltic Sea compensate for wind drift or allow themselves to be drifted when approaching a known goal area under different circumstances (over sea, over land, at low and high altitude) using two different approaches, visual telescope observations and tracking radar. The shorebirds showed clearly different responses to crosswinds along this short section (\200 km) of the migratory journey, from almost full drift when departing over the sea, followed by partial drift and almost full compensation at higher altitudes over land during later stages. Our study demonstrates that shorebirds are also remarkably variable in their response to crosswinds during short sections of their migratory journey. The recorded initial drift close to departure is probably not adaptive but rather a result of constraints in the capacity of the birds to compensate in some situations, e.g. in low-altitude climbing flight over the sea. We found no difference in orientation response to wind between adult and juvenile birds. This study indicates, in addition to adaptive orientation responses to wind, the importance of the nonadaptive wind drift that contributes to increasing the variability of drift/compensation behaviour between places that are separated by only short distances, depending on the local topographic and environmental conditions.

Place, publisher, year, edition, pages
2013. Vol. 154, 385-392 p.
Keyword [en]
Migration, orientation, wind drift, compensation, shorebird
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:hkr:diva-15861DOI: 10.1007/s10336-012-0902-7OAI: oai:DiVA.org:hkr-15861DiVA: diva2:956748
Available from: 2016-08-31 Created: 2016-08-31 Last updated: 2017-01-26Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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