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NUITFRANCE - Bibliothèque - Fiche bibliographique
Bibliothèque
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Document " Calibration of a migratory bird by celestial rotation "
Type de document : |
Articles de revue scientifique |
Thème du document : |
Nuit naturelle - Sens et orientation du vivant |
Groupe biologique : |
Oiseaux hors rapaces nocturnes |
Auteur(s) : |
ABLE K.P. ABLE M.A.
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Date de publication : |
Septembre 1990 |
Langue : |
English/Anglais |
Nom du périodique : |
Nature |
Précisions : |
Volume 347. Pages 378-380 |
Lien contenu/source : |
https://www.nature.com/articles/347378a0 |
DOI : |
10.1038/347378a0 |
Citation courte : |
Able & Able (1990) |
Citation complète (format NuitFrance) : |
ABLE K.P. & ABLE M.A. (1990). Calibration of a migratory bird by celestial rotation. Nature. Volume 347. Pages 378-380. |
Résumé du document : |
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MIGRATORY birds use a variety of environmental stimuli in orientation. Species that migrate primarily at night can use compasses based on the geomagnetic field, stars, the Sun and patterns of skylight polarization1–4. These compass mechanisms can interact both when migratory birds make day-to-day orientation decisions5 and during their ontogeny in young birds6,7. All of the known compasses used by migratory birds seem to be modifiable by experience during early development. For example, a functional magnetic compass develops in birds that have never seen the sky8–11. But the preferred direction of orientation by the magnetic compass may be modified during the first three months of life by exposing naive birds to the sky under conditions in which magnetic directions differ substantially from compass directions indicated by the Sun and stars (true or geographic directions)6,9,10. For hand-raised Savannah sparrows (Passerculus sandwichensis), experience with either the clear daytime or night sky is sufficient to effect this calibration of the magnetic compass11. We therefore proposed that celestial rotation, which provides a source of geographic directions both day and night, is the calibrating reference. Here we report that the rotation of an artificial pattern of 'stars' calibrates the preferred direction of magnetic orientation of young Savannah sparrows.
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Saisie sur NuitFrance par : |
Rosor |
Saisie sur NuitFrance en : |
Décembre 2017 |
Identifiant NuitFrance : |
NF-BIBLI-1870 |
Permalien de la fiche NuitFrance : |
http://www.nuitfrance.fr/?page=donneesdoc&partie=fiche-bibliographique&id_doc=1870 |
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