Geographical and seasonal distributions of the seedeaters Sporophila bouvreuil and Sporophila pileata (aves: Emberizidae)

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 Brazi...

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Bibliographic Details
Main Authors: Érika Machado, Luís Fábio Silveira
Format: Article
Language:English
Published: Universidade de São Paulo 2010-01-01
Series:Papéis Avulsos de Zoologia
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492010003200001