360. Notes on the vocalizations of Chestnut-capped Brush-finch (Arremon brunneinucha)

Peter F. D. Boesman
2016 Ornithological Notes  
In the following we briefly analyze and compare voice of several races of Chestnut-capped Brush-finch (Arremon brunneinucha). We also try to quantify the extent of any vocal differences using the criteria proposed by Tobias et al. (2010) , as a support for taxonomic review. We have made use of sound recordings available on-line from Xeno Canto (XC). Our main interest is to compare voice of race apertus with other races, as the former has been suggested to represent a distinct species
more » ... species (Navarro-Sigüenza et al. 2004 ). We have found only a single recording of song for race apertus: apertus to be compared with geographically closest race brunneinucha:
doi:10.2173/bow-on.100360 fatcat:2rtrauksrbbgpjqngd552xl3sm