2006
DOI: 10.1650/0010-5422(2006)108[579:bsoasm]2.0.co;2
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Breeding Strategies of a Socially Monogamous Neotropical Passerine: Extra-Pair Fertilizations, Behavior, and Morphology

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Cited by 38 publications
(16 citation statements)
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“…Also during reproduction, males defend small, clustered territories and repeatedly execute a vertical leaping display (Almeida and Macedo 2001), in which both the color properties of the blue-black plumage and the white patch are exhibited. Such a conspicuous visual exhibition, together with the evidence of extra-pair fertilization rates of 50% of nestlings (Carvalho et al 2006), point to the possibility that males are subject to intense sexual selection pressures, and highlights the possible role of coloration in this process.…”
Section: Introductionmentioning
confidence: 98%
“…Also during reproduction, males defend small, clustered territories and repeatedly execute a vertical leaping display (Almeida and Macedo 2001), in which both the color properties of the blue-black plumage and the white patch are exhibited. Such a conspicuous visual exhibition, together with the evidence of extra-pair fertilization rates of 50% of nestlings (Carvalho et al 2006), point to the possibility that males are subject to intense sexual selection pressures, and highlights the possible role of coloration in this process.…”
Section: Introductionmentioning
confidence: 98%
“…It is very likely that visual communication in this species, especially relative to plumage, is important in social interactions, and may play a role in the high rate of extra-pair copulation that has been documented (Carvalho et al 2006). Hence, the blue-black grassquit provides a potentially excellent model system to study both proximate and evolutionary mechanisms that promote the production and maintenance of iridescent coloration.…”
Section: Introductionmentioning
confidence: 99%
“…Nests are built by each pair inside the male's territory and both male and female present parental care (Carvalho et al, 2007). The blue-black grassquit is socially monogamous (Almeida and Macedo, 2001), and recent studies have found a high rate of extra-pair fertilization (60% of chicks) for our study population (Carvalho et al, 2006).…”
Section: Study Animals and Housingmentioning
confidence: 87%