Birds introduced in new areas show rest disorders

Henry, Pierre-Yves; Salgado, Catalina Landeta; Munoz, Fanny Paucar; Wikelski, Martin

Birds introduced in new areas show rest disorders

Dateien

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Datum

2013

Autor:innen

Henry, Pierre-Yves

Salgado, Catalina Landeta

Munoz, Fanny Paucar

Wikelski, Martin

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Biology Letters. 2013, 9(5), 20130463. ISSN 1744-9561. eISSN 1744-957X. Available under: doi: 10.1098/rsbl.2013.0463

Zusammenfassung

All colonizing individuals have to settle in a novel, conspecific-free environment. The introduction process should be poorly compatible with a good rest. We compared the resting behaviour of radio-tagged house sparrows (Passer domesticus) experimentally translocated into new, conspecific-free areas (introduced individuals, n = 10), with that of translocated sparrows that settled in naturally established populations (controls, n = 5). Resting habits of introduced sparrows markedly differed from those of control birds: they did not vocalize before going to roost, they changed their roosting habitat and they roosted 24 ± 7 min later and departed 13 ± 4 min earlier from the roost, resulting in a 5% rest debt. Because colonizing a new environment is expected to require heightened cognitive and physical activities, which in turn are constrained by the quality and duration of rest, we hypothesize that rest disorders and resulting cognitive impairments of newly released individuals could functionally contribute to the low post-release survival observed in (re)introduction attempts.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Schlagwörter

colonization, dispersal, ecology of sleep, introduced species, invasive species, reintroduction

Zitieren

ISO 690

HENRY, Pierre-Yves, Catalina Landeta SALGADO, Fanny Paucar MUNOZ, Martin WIKELSKI, 2013. Birds introduced in new areas show rest disorders. In: Biology Letters. 2013, 9(5), 20130463. ISSN 1744-9561. eISSN 1744-957X. Available under: doi: 10.1098/rsbl.2013.0463

BibTex

@article{Henry2013Birds-38224,
  year={2013},
  doi={10.1098/rsbl.2013.0463},
  title={Birds introduced in new areas show rest disorders},
  number={5},
  volume={9},
  issn={1744-9561},
  journal={Biology Letters},
  author={Henry, Pierre-Yves and Salgado, Catalina Landeta and Munoz, Fanny Paucar and Wikelski, Martin},
  note={Article Number: 20130463}
}

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