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Abstract:

In temperate regions of the Southern Hemisphere, avian parental care is understudied, in particular for the neotropical family Furnariidae. We measured rates of nest building, mud carrying, incubation, brooding, feeding, and nest-sanitation behaviors of molecularly sexed Rufous Horneros (Furnarius rufus) nesting in the humid pampas of Argentina. We also evaluated the coordination of all these behaviors between the partners, and compared the frequency of uncoordinated behaviors of each sex. Males and females worked equitably throughout the nesting cycle with few exceptions: (1) both sexes built the nest, but males supplied somewhat less mud at the beginning of nest construction, (2) though highly involved in incubating the eggs males did so slightly less often than females during early incubation, (3) even if males also brooded the nestlings, they brooded less often and for slightly briefer periods than did females, and (4) young nestlings were fed less often by males than by females. We found no differences in nest-sanitation rates. The proportion of behaviors coordinated between partners performing different parental tasks was very high through the entire nesting cycle. Analysis of the frequency of uncoordinated behaviors revealed females were more prone than males to skip turns only at the onset of nest building and the beginning of the nestling period. The sexes' similar and coordinated effort is probably essential for the building of the Rufous Hornero's remarkable nest and reaching the high rate of nest success that characterizes the species. © The Cooper Ornithological Society 2012.

Registro:

Documento: Artículo
Título:High coordination and equitable parental effort in the Rufous Hornero
Autor:Massoni, V.; Reboreda, J.C.; López, G.C.; Aldatz, M.F.
Filiación:Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Güiraldes 2160, C1428EGA, Capital Federal, Argentina
Instituto de Investigaciones Biotecnológicas (IIB-INTECH), Chascomús, Buenos Aires, Argentina
Palabras clave:Biparental effort; Coordinated behavior; Furnarius rufus; Nesting success; Rufous Hornero; Aves; Furnariidae; Furnarius rufus
Año:2012
Volumen:114
Número:3
Página de inicio:564
Página de fin:570
DOI: http://dx.doi.org/10.1525/cond.2012.110135
Título revista:Condor
Título revista abreviado:Condor
ISSN:00105422
CODEN:CNDRA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00105422_v114_n3_p564_Massoni

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Citas:

---------- APA ----------
Massoni, V., Reboreda, J.C., López, G.C. & Aldatz, M.F. (2012) . High coordination and equitable parental effort in the Rufous Hornero. Condor, 114(3), 564-570.
http://dx.doi.org/10.1525/cond.2012.110135
---------- CHICAGO ----------
Massoni, V., Reboreda, J.C., López, G.C., Aldatz, M.F. "High coordination and equitable parental effort in the Rufous Hornero" . Condor 114, no. 3 (2012) : 564-570.
http://dx.doi.org/10.1525/cond.2012.110135
---------- MLA ----------
Massoni, V., Reboreda, J.C., López, G.C., Aldatz, M.F. "High coordination and equitable parental effort in the Rufous Hornero" . Condor, vol. 114, no. 3, 2012, pp. 564-570.
http://dx.doi.org/10.1525/cond.2012.110135
---------- VANCOUVER ----------
Massoni, V., Reboreda, J.C., López, G.C., Aldatz, M.F. High coordination and equitable parental effort in the Rufous Hornero. Condor. 2012;114(3):564-570.
http://dx.doi.org/10.1525/cond.2012.110135