Artículo

Abstract:

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.

Registro:

Título:Estudio de parasitismo de cría del Renegrido (Molothrus bonariensis) en Calandria (Mimus saturninus), en Villa María, Córdoba
Autor:Salvador, Sergio A.
Fecha:1984-12
Titulo revista:El Hornero
Editor:Aves Argentinas. Asociación Ornitológica del Plata
URL Persistente: http://hdl.handle.net/20.500.12110/hornero_v012_n03_p141
Ciudad:Buenos Aires
Idioma:Español
Año:1984
Volumen:012
Número:03
Titulo revista abreviado:Hornero (en línea)
ISSN:1850-4884
Formato:PDF
PDF:https://bibliotecadigital.exactas.uba.ar/download/hornero/hornero_v012_n03_p141.pdf
Registro:https://bibliotecadigital.exactas.uba.ar/collection/hornero/document/hornero_v012_n03_p141

Citas:

---------- APA ----------
(1984) . El Hornero, 012(03).
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/hornero/document/hornero_v012_n03_p141 [ ]
---------- CHICAGO ----------
Salvador, Sergio A.. El Hornero 012, no. 03 (1984).
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/hornero/document/hornero_v012_n03_p141 [ ]
---------- MLA ----------
Salvador, Sergio A.. El Hornero, vol. 012, no. 03, 1984.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/hornero/document/hornero_v012_n03_p141 [ ]
---------- VANCOUVER ----------
Salvador, Sergio A.. Hornero (en línea). 1984;012(03).
Available from: https://bibliotecadigital.exactas.uba.ar/collection/hornero/document/hornero_v012_n03_p141 [ ]