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Showing 1 to 4 of 4 for “"Zonotrichia capensis"”.
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Seasonality and trade-offs in equatorial rufous-collared sparrows (Zonotrichia capensis)
… trade-offs in tropical rufous-collared sparrows (Zonotrichia capensis) in the humid Andes of Ecuador, then compared my data to temperate-zone Zonotrichia. In Chapter II, I investigated the function of male territorial aggression. Males had peak territorial aggression scores during pre-breeding and …
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Efectos de la urbanización en rasgos de personalidad en aves el caso de Zonotrichia capensis
… de la urbanización en rasgos de personalidad en Zonotrichia capensis (chincol), un ave con una amplia distribución geográfica en el neotrópico, incluyendo zonas urbanas. Mediante dos pruebas estandarizadas evalué la conducta exploratoria y la neofobia en individuos de esta especie comparando dos …
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Reproductive physiology, avian malaria, and the cloacal microbiome in tropical Rufous-collared Sparrows (Zonotrichia capensis)
… in testosterone. Using rufous-collared sparrows (Zonotrichia capensis), a Neotropical songbird with a wide distribution, I explored geographical patterns of variation in testosterone levels and infection by haemosporidians, a type of blood parasite. I found that testosterone did not vary with …
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The role of cultural divergence in reproductive isolation in a tropical bird, the rufous-collared sparrow (Zonotrichia capensis)
… passerine the rufous-collared sparrow (Zonotrichia capensis). In Chapter II, I investigated, the role of female preference for and male territorial response towards, local and non-local dialects in two allopatric populations. Females in both populations preferred their local dialect to …