Sunset as an Orientation Cue in White-Throated Sparrows

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Title: Sunset as an Orientation Cue in White-Throated Sparrows
Creators: Lucia, Christine; Osborne, David R.
Issue Date: 1983-09
Citation: The Ohio Journal of Science. v83, n4 (September, 1983), 185-188
Abstract: The importance of sunset as a fall orientation cue in the white-throated sparrow {Zonotrkhia albkollis) was examined under clear skies, cloudy skies, and after sparrows were denied sunset exposure. Sparrows tested during sunset under clear skies exhibited a significant southerly orientation. Those tested under cloudy skies exhibited a more dispersed orientation which was not significant. Sparrows denied sunset exposure but allowed to view stellar cues, exhibited a marked decrease in activity and no directional preference. Results suggest sunset is a primary visual cue functioning in selection of direction prior to nocturnal fall migration.
Description: Author Institution: Department of Zoology, Miami University
ISSN: 0030-0950
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