At–Sea Behavior Varies with Lunar Phase in a Nocturnal Pelagic Seabird, the Swallow-Tailed Gull

Cruz, Sebastian M.; Hooten, Mevin; Huyvaert, Kathryn P.; Proaño, Carolina B.; Anderson, David J.; Afanasyev, Vsevolod; Wikelski, Martin

At–Sea Behavior Varies with Lunar Phase in a Nocturnal Pelagic Seabird, the Swallow-Tailed Gull

Dateien

Cruz_2-bzdy68un7u016.pdf(895.48 KB)

Datum

2013

Autor:innen

Cruz, Sebastian M.

Hooten, Mevin

Huyvaert, Kathryn P.

Proaño, Carolina B.

Anderson, David J.

Afanasyev, Vsevolod

Wikelski, Martin

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

PLoS ONE ; 8 (2013), 2. - e56889. - eISSN 1932-6203

Zusammenfassung

Strong and predictable environmental variability can reward flexible behaviors among animals. We used long-term records of activity data that cover several lunar cycles to investigate whether behavior at-sea of swallow-tailed gulls Creagrus furcatus, a nocturnal pelagic seabird, varied with lunar phase in the Galápagos Islands. A Bayesian hierarchical model showed that nighttime at-sea activity of 37 breeding swallow-tailed gulls was clearly associated with changes in moon phase. Proportion of nighttime spent on water was highest during darker periods of the lunar cycle, coinciding with the cycle of the diel vertical migration (DVM) that brings prey to the sea surface at night. Our data show that at-sea behavior of a tropical seabird can vary with environmental changes, including lunar phase.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Schlagwörter

Birds, Gulls, Predation, Foraging, Animal migration, Seabirds, Sea water

Zitieren

ISO 690

CRUZ, Sebastian M., Mevin HOOTEN, Kathryn P. HUYVAERT, Carolina B. PROAÑO, David J. ANDERSON, Vsevolod AFANASYEV, Martin WIKELSKI, 2013. At–Sea Behavior Varies with Lunar Phase in a Nocturnal Pelagic Seabird, the Swallow-Tailed Gull. In: PLoS ONE. 8(2), e56889. eISSN 1932-6203. Available under: doi: 10.1371/journal.pone.0056889

BibTex

@article{Cruz2013AtSea-38237,
  year={2013},
  doi={10.1371/journal.pone.0056889},
  title={At–Sea Behavior Varies with Lunar Phase in a Nocturnal Pelagic Seabird, the Swallow-Tailed Gull},
  number={2},
  volume={8},
  journal={PLoS ONE},
  author={Cruz, Sebastian M. and Hooten, Mevin and Huyvaert, Kathryn P. and Proaño, Carolina B. and Anderson, David J. and Afanasyev, Vsevolod and Wikelski, Martin},
  note={Article Number: e56889}
}

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