Estudio de parasitismo de cría del Renegrido (Molothrus bonariensis) en Calandria (Mimus saturninus), en Villa María, Córdoba

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The host-parasite interactions between Chalk-browed Mockingbirds ( Mimus saturninus ) and Shiny Cowbirds ( Molothrus bonariensis ) were studied around Villa María, Córdoba, Argentina, between 1979 -1984. The incidence of parasitism was 81/92 or 88,04%. Mockingbirds in the study site accepted Cowbird...

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Autor principal: Salvador, Sergio A.
Formato: Artículo publishedVersion
Lenguaje:Español
Publicado: Aves Argentinas. Asociación Ornitológica del Plata 1984
Acceso en línea:https://hdl.handle.net/20.500.12110/hornero_v012_n03_p141
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id hornero:hornero_v012_n03_p141
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spelling hornero:hornero_v012_n03_p1412023-09-08T19:04:06Z Estudio de parasitismo de cría del Renegrido (Molothrus bonariensis) en Calandria (Mimus saturninus), en Villa María, Córdoba Hornero (en línea) 1984;03(012):141-149 Salvador, Sergio A. The host-parasite interactions between Chalk-browed Mockingbirds ( Mimus saturninus ) and Shiny Cowbirds ( Molothrus bonariensis ) were studied around Villa María, Córdoba, Argentina, between 1979 -1984. The incidence of parasitism was 81/92 or 88,04%. Mockingbirds in the study site accepted Cowbird eggs, even those of the immaculate morph, which are rejected in Buenos Aires. Incubation period for the host was 14-15 days, for the parasite 12-13 days, with nestling periods of 13 -14 and 14 -15 days respectively. Breeding season of host and parasite overlapped almost completety. In a better studied subsample of parasitized nests success for the host was 7,70% (ratio Fledglings//eggs of 3/39) and for the parasite 6,45% (2/31). Cowbirds punctured and removed host eggs. Mockingbirds were probably the best local hosts for the Cowbirds. Aves Argentinas. Asociación Ornitológica del Plata 1984-12 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf spa info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar https://hdl.handle.net/20.500.12110/hornero_v012_n03_p141
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
language Español
orig_language_str_mv spa
description The host-parasite interactions between Chalk-browed Mockingbirds ( Mimus saturninus ) and Shiny Cowbirds ( Molothrus bonariensis ) were studied around Villa María, Córdoba, Argentina, between 1979 -1984. The incidence of parasitism was 81/92 or 88,04%. Mockingbirds in the study site accepted Cowbird eggs, even those of the immaculate morph, which are rejected in Buenos Aires. Incubation period for the host was 14-15 days, for the parasite 12-13 days, with nestling periods of 13 -14 and 14 -15 days respectively. Breeding season of host and parasite overlapped almost completety. In a better studied subsample of parasitized nests success for the host was 7,70% (ratio Fledglings//eggs of 3/39) and for the parasite 6,45% (2/31). Cowbirds punctured and removed host eggs. Mockingbirds were probably the best local hosts for the Cowbirds.
format Artículo
Artículo
publishedVersion
author Salvador, Sergio A.
spellingShingle Salvador, Sergio A.
Estudio de parasitismo de cría del Renegrido (Molothrus bonariensis) en Calandria (Mimus saturninus), en Villa María, Córdoba
author_facet Salvador, Sergio A.
author_sort Salvador, Sergio A.
title Estudio de parasitismo de cría del Renegrido (Molothrus bonariensis) en Calandria (Mimus saturninus), en Villa María, Córdoba
title_short Estudio de parasitismo de cría del Renegrido (Molothrus bonariensis) en Calandria (Mimus saturninus), en Villa María, Córdoba
title_full Estudio de parasitismo de cría del Renegrido (Molothrus bonariensis) en Calandria (Mimus saturninus), en Villa María, Córdoba
title_fullStr Estudio de parasitismo de cría del Renegrido (Molothrus bonariensis) en Calandria (Mimus saturninus), en Villa María, Córdoba
title_full_unstemmed Estudio de parasitismo de cría del Renegrido (Molothrus bonariensis) en Calandria (Mimus saturninus), en Villa María, Córdoba
title_sort estudio de parasitismo de cría del renegrido (molothrus bonariensis) en calandria (mimus saturninus), en villa maría, córdoba
publisher Aves Argentinas. Asociación Ornitológica del Plata
publishDate 1984
url https://hdl.handle.net/20.500.12110/hornero_v012_n03_p141
work_keys_str_mv AT salvadorsergioa estudiodeparasitismodecriadelrenegridomolothrusbonariensisencalandriamimussaturninusenvillamariacordoba
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