French: Vacher luisant German: Seidenkuhstärling Spanish: Tordo renegrido
J. F. Gmelin
Buenos Aires, Argentina
Subspecies and Distribution
M. b. minimus
Dalmas, 1900 – SE USA (Florida), West Indies, Trinidad and Tobago, the Guianas and extreme N Brazil (R Branco).
M. b. cabanisii
Cassin, 1866 – E Costa Rica, Panama and W Colombia.
M. b. venezuelensis
Stone, 1891 – N Venezuela and E Colombia.
M. b. aequatorialis
Chapman, 1915 – SW Colombia and W Ecuador.
M. b. occidentalis
Berlepsch & Stolzmann, 1892 – extreme SW Ecuador (Loja), W Peru and extreme N Chile (Arica).
M. b. riparius
Griscom & Greenway, 1937 – E Ecuador, E Peru, and Amazon Valley in Brazil (E to Óbidos, Pará).
M. b. bonariensis
(J. F. Gmelin, 1789) – C & E Brazil (S of R Amazon) S to E Bolivia, Paraguay, Uruguay and Argentina (S to Chubut); also Chile (Atacama S to Aysén).
17–21·5 cm; male average 55·7 g and female 44·9 g (nominate, E Argentina), male average 63·7 g and female 55·6 g (cabanisii... read more
Male has “gurgling” song with 2–6 low-pitched gurgles followed by thin whistles... read more
Found in almost all open habitats, avoiding unbroken forest and dense woodland. Habitats include... read more
Food and feeding
Diet mostly insects and seeds. Feeds on both wild and cultivated seeds. Reported as taking nectar from flowers of the vine Combretum... read more
Season Mar–Oct in Puerto Rico, May–Sept in Venezuela and Sept–Feb in N half of Argentina. Mating system apparently... read more
Chiefly resident. In Argentina a partial short-distance migrant, with extensive overlap of breeding... read more
Status and conservation
Not globally threatened. Common to very common throughout most of range; uncommon and local in Amazonian lowlands. Rather an aggressively spreading species, thriving in... read more
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