Black-throated Toucanet (Aulacorhynchus atrogularis) [XC262893]
by Jonas Nilsson from Loja: Cajanuma, Ecuador (song)
Black-throated Toucanet (Aulacorhynchus atrogularis) [XC813002]
by Jerome Fischer from near La Morada, Peru (call)
Subspecies
Aulacorhynchus prasinus (Sibley and Monroe 1990, 1993) was split into Emerald Toucanet (Aulacorhynchus prasinus), Wagler's Toucanet (Aulacorhynchus wagleri), Blue-throated Toucanet (Aulacorhynchus caeruleogularis), Violet-throated Toucanet (Aulacorhynchus cognatus), Northern Andean Toucanet (Aulacorhynchus lautus), Greyish-throated Toucanet (Aulacorhynchus albivitta) and Black-throated Toucanet (Aulacorhynchus atrogularis) by Navarro et al. (2001), on the basis mainly of differences in bill pattern and throat colour, but this treatment is not followed by SACC (2005), or the BirdLife Taxonomic Working Group as it is considered premature.
Considered by some authors to be a subspecies of Emerald Toucanet (Aulacorhynchus prasinus).
Considered by some authors to be a subspecies of Greyish-throated Toucanet (Aulacorhynchus albivitta).
The following 3 subspecies are recognised:
cyanolaemus Gould, 1866 - Eastern Andean slope of southern Ecuador to northern Peru (La Libertad, Amazonas). Considered by some authors to be a distinct species, Black-billed Toucanet (Aulacorhynchus cyanolaemus).
dimidiatus Ridgway, 1886 - Hills and lowlands from eastern Peru to western Brazil (Acre) and northern Bolivia (Pando). Considered by some authors to be a subspecies of Greyish-throated Toucanet (Aulacorhynchus albivitta). Considered by some authors to be a subspecies of Emerald Toucanet (Aulacorhynchus prasinus).
atrogularis (Sturm, JHCF & Sturm, JW, 1841) - Central Ecuador to western Bolivia. Considered by some authors to be a subspecies of Greyish-throated Toucanet (Aulacorhynchus albivitta). Considered by some authors to be a subspecies of Emerald Toucanet (Aulacorhynchus prasinus).
BirdLife International Species Factsheet