French: Carouge unicolore German: Einfarbstärling Spanish: Varillero negro
Subspecies and Distribution
A. c. xenicus
(Parkes, 1966) – Para Blackbird – NE Brazil (Amapá, NE Pará and N Maranhão); possibly also French Guiana.
A. c. beniensis
(Parkes, 1966) – N Bolivia (Beni).
A. c. cyanopus
(Vieillot, 1819) – Unicolored Blackbird – E Bolivia (Santa Cruz) and C & S Brazil (S from Mato Grosso and W São Paulo) S across Paraguay to NE Argentina (S to NE Buenos Aires).
A. c. atroolivaceus
(Wied, 1831) – Rio de Janeiro Blackbird – coastal plain of E Brazil from Espírito Santo S to Paraná.
c. 18–21 cm; male average 40·6 g, female 37·4 g. A slender-billed, long-tailed icterid. Male nominate race is entirely black with very slight bluish gloss; iris dark brown;... read more
Song, apparently by both sexes, alternating liquid “shr-r-le” rattles with series of repeated... read more
Permanent marshes with abundant emergent vegetation, such as sedge (Cyperus), Thalia... read more
Food and feeding
Arthropods (mostly insects), small vertebrates and seeds; reported as taking nectar from inflorescences of the vine Combretum... read more
Season Oct–May (mainly Nov–Feb) in NE Argentina; more than one brood attempted per season. Breeds solitarily or in small colonies of up to... read more
Status and conservation
Not globally threatened. Locally numerous; rare and local in Rio Grande do Sul (S Brazil) and Uruguay. Appears to be locally abundant particularly in Bajo Chaco (Paraguay),... read more
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