March 2012
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464 Reads
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13 Citations
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March 2012
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464 Reads
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13 Citations
December 2011
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131 Reads
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15 Citations
The Wilson Journal of Ornithology
Avian bamboo specialists are an ecologically distinctive group of birds in the Neotropics with some seedeater species having nomadic movements following bamboo (Guadua, Chusquea or Rhipidocladum) mast seeding. We reviewed the range and seasonal distribution of Blackish-blue Seedeaters (Amaurospiza moesta) using published and unpublished records, museum specimens, sound libraries, and intensive field work. We report the first occurrence of Blackish-blue Seedeaters in the Brazilian State of Mato Grosso, a male collected in Fazenda Baía de Pedra, Cáceres (16° 27' 29" S, 58° 09' 59" W). We also recorded this species in two localities in the Cerrado region (a tropical savannah) of Minas Gérais: the Santo Antonio River, Presidente Olegario (18° 07' 48" S, 46° 11' 57" W), and the Abaeté River, São Gonçalo do Abaeté (18° 05' S, 45° 22' W). These records represent a remarkable range extension, demonstrating this species is distributed across the Cerrado. We found no evidence of regular large scale or local movements of this species, which seems to be resident, at least in Argentina, which had the largest data set.
... A pair on 30 April 2014 in João Pinheiro, where a male was photographed (WA1580750) and sound-recorded, in cerradão with bamboo in the understorey. Recorded in Presidente Olegário and São Gonçalo do Abaeté (Lopes et al. 2011), and is potentially widespread, if sporadic, virtually throughout the Cerrado biome (Lopes et al. 2011). ...
December 2011
The Wilson Journal of Ornithology
... Por su parte, los machos permanecen en un radio de 1 km del nido y amplían su territorio a poco más de 1.000 ha (Bierregaard, 1994;Íñigo, 2000). En Brasil se registraron nidos en especies de árboles nativos también presentes en Misiones (Joenck et al., 2011;Canuto et al., 2012;Zilio, 2017), con lo que cabe suponer que elija los mismos para anidar en nuestro país. En Belice, todos los nidos estudiados tuvieron una sola cría y el período de incubación fue de 44 a 46 días. ...
March 2012