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Artículo

Nesting biology of the Red-crested Cardinal (Paroaria Coronata) in south temperate forests of central Argentina

Segura, Luciano NoelIcon ; Mahler, BettinaIcon ; Berkunsky, IgorIcon ; Reboreda, Juan CarlosIcon
Fecha de publicación: 06/2015
Editorial: Wilson Ornithological Society
Revista: Wilson Journal of Ornithology
ISSN: 1559-4491
e-ISSN: 1938-5447
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Biológicas

Resumen

Studies on breeding biology in Neotropical birds are crucial for understanding different aspects of their life histories and also for their conservation. We describe the nesting biology of the Red-crested Cardinal (Paroaria coronata) in central Argentina, a common suboscine that inhabits south temperate forests. We monitored 367 nests from October to February 2005-2008. Nest initiation followed a unimodal distribution with a peak in November. Within the forest, no nests were built on exotic tree species. Mean clutch size was 3.05 ± 0.05 eggs and decreased with time within the breeding season; egg size did not vary across the breeding season. Nesting cycles lasted, on average, 25.8 ± 0.1 days (nest construction: 6.1 ± 0.4 days; incubation period: 11.9 ± 0.1 days; nestling period: 13.8 ± 0.1 days). At least one young fledged in 26% of nests, 62% were depredated, and 11% were abandoned. Egg survival rate was 0.95 ± 0.02, hatching success rate was 0.84 ± 0.02, and nestling survival rate was 0.81 ± 0.03. Partial nestling losses were detected in 45% of the nests, of which 52% were because of brood reduction. Each breeding pair had on average 4.4 ± 0.2 nesting attempts over the breeding season. Our results support the prediction that small clutch sizes are associated with extensive breeding seasons and several nesting attempts within a season. Except for the short incubation period, all other breeding features reported in this study differ from those of most north temperate birds and are consistent with the life history traits of Neotropical birds.
Palabras clave: Breeding Success , Buenos Aires Province , Nesting Habitat , Reproductive Biology , Reproductive Parameters , South Temperate Birds
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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)
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URI: http://hdl.handle.net/11336/53467
DOI: http://dx.doi.org/10.1676/wils-127-02-249-258.1
URL: http://www.bioone.org/doi/10.1676/wils-127-02-249-258.1
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Articulos(CCT - LA PLATA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - LA PLATA
Articulos(IEGEBA)
Articulos de INSTITUTO DE ECOLOGIA, GENETICA Y EVOLUCION DE BS. AS
Citación
Segura, Luciano Noel; Mahler, Bettina; Berkunsky, Igor; Reboreda, Juan Carlos; Nesting biology of the Red-crested Cardinal (Paroaria Coronata) in south temperate forests of central Argentina; Wilson Ornithological Society; Wilson Journal of Ornithology; 127; 2; 6-2015; 249-258
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