English   español  
Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/96212
Share/Impact:
Statistics
logo share SHARE logo core CORE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:

Title

Bright moonlight triggers natal dispersal departures

AuthorsPenteriani, Vincenzo ; Delgado, María del Mar ; Kuparinen, Anna; Saurola, Pertti; Valkama, Jari; Salo, Eino; Toivola, Jere; Aebischer, Adrian; Arlettaz, Raphaël
KeywordsDispersal age
Lunar cycle
Moon phase
Perceptual range
Timing of dispersal
Visual cues
Bubo bubo
Issue Date2014
PublisherSpringer
CitationBehavioral Ecology and Sociobiology, 68(5):743-747 (2104)
AbstractUpon leaving their natal area, dispersers are confronted with unknown terrains. Species-specific perceptual ranges (i.e. the maximum distance from which an individual can perceive landscape features) play a crucial role in spatial movement decisions during such wanderings. In nocturnal animals that rely on vision, perceptual range is dramatically enhanced during moonlight, compared to moonless conditions. This increase of the perceptual range is an overlooked element that may be responsible for the successful crossing of unfamiliar areas during dispersal. The information gathered from 143 radio-tagged eagle owl Bubo bubo juveniles in Spain, Finland and Switzerland shows that, although the decision to initiate dispersal is mainly an endogenous phenomenon determined by the attainment of a given age (∼6 months), dispersers leave their birthplace primarily under the best light conditions at night, i.e. when most of the lunar disc is illuminated. This sheds new light into the mechanisms that may trigger dispersal from parental territory.
Publisher version (URL)http://dx.doi.org/10.1007/s00265-014-1687-x
URIhttp://hdl.handle.net/10261/96212
DOI10.1007/s00265-014-1687-x
Appears in Collections:(EBD) Artículos
Files in This Item:
File Description SizeFormat 
Behavioral Ecology and Sociobiology 2014.pdf143,64 kBAdobe PDFThumbnail
View/Open
Show full item record
Review this work
 


WARNING: Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.