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Artículo

Botfly parasitism effects on nestling growth and mortality of Red-crested Cardinals

Segura, Luciano NoelIcon ; Reboreda, Juan CarlosIcon
Fecha de publicación: 03/2011
Editorial: Wilson Ornithological Society
Revista: Wilson Journal of Ornithology
ISSN: 1559-4491
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Biológicas

Resumen

We collected observational data in three consecutive breeding seasons to study interactions between the botfly Philornis seguyi and Red-crested Cardinals (Paroaria coronata) in a temperate zone near the southern limit of Philornis distribution. We analyzed: (1) seasonal trends in prevalence of parasitism, (2) influence of botfly parasitism on nestling growth rate and survival, and (3) the association between nest site vegetation at different scales (i.e., nest tree, vegetation surrounding the nest tree, and landscape) and probability of botfly parasitism. Prevalence of parasitism was 28% and was higher later in the breeding season. Botfly parasitism produced sub-lethal (lower growth rate of nestlings that survive) and lethal (lower nestling survival) effects. The lethal effect was negatively associated with age at the time nestlings were parasitized. Botfly parasitism was not associated with vegetation characteristics at the level of nesting tree or vegetation surrounding the nesting tree, but was associated with landscape features. Parasite prevalence was higher in large continuous woodland patches than in small isolated patches. However, we did not observe increased use of isolated patches of forest by Red-crested Cardinals, suggesting that use of nest sites with high botfly parasite intensity could be the consequence of high host density.
Palabras clave: Botfly Parasitism , Philornis Seguyi , Red-Crested Cardinals , Paroaria Coronata
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/68638
DOI: https://doi.org/10.1676/10-053.1
URL: https://bioone.org/journals/the-wilson-journal-of-ornithology/volume-123/issue-1
Colecciones
Articulos(IEGEBA)
Articulos de INSTITUTO DE ECOLOGIA, GENETICA Y EVOLUCION DE BS. AS
Citación
Segura, Luciano Noel; Reboreda, Juan Carlos; Botfly parasitism effects on nestling growth and mortality of Red-crested Cardinals; Wilson Ornithological Society; Wilson Journal of Ornithology; 123; 1; 3-2011; 107-115
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