2010
DOI: 10.1590/s0031-10492010003200001
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Abstract: Many species in the genus Sporophila are migratory. Migration patterns, while poorly studied, may be influenced by seed production which can be very seasonal in some regions. The distribution of S. bouvreuil extends from the Amazon and Suriname south through a large part of the open regions of Brazil. Sporophila pileata, on the other hand, is found in southeastern and southern Brazil as well as Argentina and Paraguay. Both of these species migrate, but their movement patterns are poorly known. To better unders… Show more

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Cited by 14 publications
(12 citation statements)
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“…Sympatry. Machado & Silveira (2010) found S. pileata and S. bouvreuil sympatric in the western Minas Gerais State, near Indianópolis (Fig. 5).…”
Section: Discussionmentioning
confidence: 95%
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“…Sympatry. Machado & Silveira (2010) found S. pileata and S. bouvreuil sympatric in the western Minas Gerais State, near Indianópolis (Fig. 5).…”
Section: Discussionmentioning
confidence: 95%
“…For a species that regularly migrates greater distances (Silva 1999), these must be considered short distances. In fact, the distributional pattern suggests a broad contact zone between the two species (Machado & Silveira 2010;Silva 1995Silva , 1999. More field work must be conducted to determine more precisely the extension of this contact zone.…”
Section: Discussionmentioning
confidence: 96%
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“…The taxonomy of the southern capuchinos is based on male plumage coloration and song, and to a lesser extent on geographic distribution and habitat use (Meyer de Schauensee , Ridgely and Tudor , Rising et al ). Recent detailed analyses of these traits have led to the discovery of alternative color morphs within some species (Repenning et al , Areta and Repenning , Areta et al ), the merger of previously recognized taxa (Areta ), and helped identify the sister species to the core southern capuchino radiation (Machado and Silveira , , Campagna et al ). The southern capuchino species that are currently recognized show statistically significant differences in their songs and plumage attributes, which are maintained in sympatry (Benites et al , Campagna et al ).…”
mentioning
confidence: 99%