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Polarized light cues underlie compass calibration in migratory songbirds
Responsible organisation
2006 (English)In: Science, ISSN 0036-8075, E-ISSN 1095-9203, Vol. 313, no 5788, 837-839 p.Article in journal (Refereed) Published
Abstract [en]

Migratory songbirds use the geomagnetic field, stars, the Sun, and polarized light patterns to determine their migratory direction. To prevent navigational errors, it is necessary to calibrate all of these compass systems to a common reference. We show that migratory Savannah sparrows use polarized light cues from the region of sky near the horizon to recalibrate the magnetic compass at both sunrise and sunset. We suggest that skylight polarization patterns are used to derive an absolute (i.e., geographic) directional system that provides the primary calibration reference for all of the compasses of migratory songbirds.

Place, publisher, year, edition, pages
2006. Vol. 313, no 5788, 837-839 p.
National Category
Natural Sciences
Research subject
SWEDARCTIC 2005, Beringia 2005
Identifiers
URN: urn:nbn:se:polar:diva-3191DOI: 10.1126/science.1129709OAI: oai:DiVA.org:polar-3191DiVA: diva2:1050101
Available from: 2016-11-28 Created: 2016-11-21 Last updated: 2016-11-28

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CiteExportLink to record
Permanent link

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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
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  • Other locale
More languages
Output format
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  • asciidoc
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