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Effects of feather lice on the flight behavior of male Barn swallows

Authors: Barbosa, Andrés; Merino, Santiago; Lope, Florentino de; Møller, Anders Pape;

Effects of feather lice on the flight behavior of male Barn swallows

Abstract

[ES] Los parásitos pueden afectar el comportamiento de sus hospederos de diferentes maneras entre las que se incluye la locomoción. Investigamos si el número de agujeros en el plumaje producidos por el piojo de pluma Myrsidea rustica afecta el comportamiento de vuelo de machos adultos de Hirundo rustica durante el escape y la alimentación. El número de agujeros producidos por los piojos estuvo relacionado positivamente con el porcentaje de tiempo empleado en vuelo batido, pero no se encontró ninguna relació con otros parámetros de vuelo tales como la frecuencia de batido de las alas. Estos resultados sugieren la existencia de efectos indirectos de los piojos de pluma sobre sus hospederos que deben considerarse junto con sus efec- 5 E-mail: barbosa@eeza.csic.es tos sobre la termorregulacio´n y el plumaje. Esta es la primera vez que se encuentra un efecto de un parásito sobre el comportamiento de vuelo.

[EN] Parasites may affect host behavior in a number of ways, including their locomotory performance. We investigated whether the number of holes produced by the feather louse (Myrsidea rustica) affected flight behavior in adult male Barn Swallows (Hirundo rustica) by video-taping flight performance of individuals during escape and level flight. Percentage of time spent flapping during foraging flight was positively related to number of holes, but not to other flight parameters such as wingbeat frequency. These results suggest indirect effects of feather lice on host performance that must be considered together with effects of thermoregulation and feather breakage. This is the first report of an effect of parasite load on flight behavior.

A.B. was supported by a Marie Curie grant from the European Union and by a grant from the Dirección General de Enseñanza, Universidades e Investigación from the Junta de Extremadura (TEM98212) during fieldwork and by Dirección General de Enseñanza Superior project PB 98-0506 during writing. S.M. was supported by a postdoctoral grant of the Spanish Ministry of Education. F.d.L. was supported by grants for the Spanish Ministry of Science and Technology BOS 2000-0293 and Junta de Extremadura IPR00A021, and A.P.M. was supported by an ATIPE BLANCHE from Centre National de la Recherche Scientifique.

Peer reviewed

Keywords

Barn swallow, Behavior Lice

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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