| Daily behaviour can differ between colour morphs of the same species: a study on circadian activity behaviour of grey and pied zebra finches. | |
MedLine Citation:
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PMID: 24851415 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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To investigate if the plumage colour mutation relates to circadian activity behaviour in the zebra finch, Taeniopygia guttata, wild type grey and pied mutant males were sequentially subjected for three weeks each to 12 h light:12 h darkness (12L:12D) and constant dim light (LL(dim)) condition. During the first 3 h of the 12 h day, pied finches were significantly greater active than grey finches. Also, as compared to grey, pied finches had longer activity duration in the day, with early activity onsets and late activity offsets. This was changed under free-running condition (LL(dim)), when the activity later in the subjective day (clock hour 9 and 11) was significantly greater in grey than in pied finches.Two colour morphs differed in daily activity profile, but not in the total daily activity or circadian rhythm period. Results suggest that greyzebra finches represent late chronotype, and could perhaps be better adapted to a seemingly stressful environment, such as low intensity LL(dim) in the present study. |
Authors:
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Ila Mishra; Amit Kumar Trivedi; Vinod Kumar |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Indian journal of experimental biology Volume: 52 ISSN: 0019-5189 ISO Abbreviation: Indian J. Exp. Biol. Publication Date: 2014 May |
Date Detail:
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Created Date: 2014-05-23 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0233411 Medline TA: Indian J Exp Biol Country: India |
Other Details:
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Languages: eng Pagination: 516-20 Citation Subset: IM |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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