Análisis de la relación entre dimorfismo sexual de tamaño, sistema de apareamiento y tamaño corporal en los ictéridos (Icteridae)

Vanina D. Fiorini

doi:10.56178/eh.v17i1.885

Vol. 17 No. 1 (2002), Articles

Vol. 17 No. 1 (2002)

Analysis of the relationship between sexual size dimorphism, mating system and body size in the icterids (Icteridae)

Articles

Published 01-08-2002

Vanina D. Fiorini⁺⁻

Vanina D. Fiorini

Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Piso 4, Pab. 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina

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Keywords

body size
Icteridae
mating system
phylogenetic comparative method
sexual dimorphism

How to Cite

Fiorini, Vanina D. 2002. “Analysis of the Relationship Between Sexual Size Dimorphism, Mating System and Body Size in the Icterids (Icteridae)”. El Hornero 17 (1): 17-23. https://doi.org/10.56178/eh.v17i1.885.

Abstract

The relationship previously studied by Webster (1992) among sexual size dimorphism, mating system and body size in the icterids (Icteridae) was analyzed by using the original data, but also phylogenetically independent contrasts and a new molecular phylogeny. Sexual size dimorphism was positively related with body size as well as with harem size of the species. However, the relationship between body size and sexual dimorphism would be the result of the relationship between body size and poliginy degree and between poliginy degree and sexual dimorphism. These results agree with those found by Webster (1992).

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