French: Carouge galonné German: Goldschulterstärling Spanish: Varillero aliamarillo
Subspecies and Distribution
A. t. alticola
(Todd, 1932) – Titicaca Blackbird – SE Peru (Cuzco, Puno) and W Bolivia (La Paz, Cochabamba and Oruro).
A. t. thilius
(Molina, 1782) – Yellow-winged Blackbird – Chile (Atacama S to Los Lagos).
A. t. petersii
(Laubmann, 1934) – Argentina (from at least Santiago del Estero, Santa Fe and Corrientes S to Santa Cruz), Uruguay and SE Brazil (mostly coastal marshes of Paraná, Santa Catarina and Rio Grande do Sul); and S Chile (Aysén and Magallanes); in austral winter extends to extreme NE Argentina (Salta, Chaco, Formosa) and most of Paraguay, with few records in Bolivia (Izozog).
Male average 17·9 cm and 33·5 g; female 28·8 g (petersii). Male nominate race is entirely dull black, except for yellow marginal and lesser... read more
Male song (nominate race and petersii) quite variable, but includes trills of 3–7... read more
Patches of emergent aquatic plants, including cat-tails (Typha), bulrush (... read more
Food and feeding
Insects, including emerging aquatic insects, and seeds. Stomach contents of 85 adults from Buenos Aires province (Argentina) comprised 78%... read more
Season Oct–Dec in Chile and Argentina. Apparently monogamous. Colonial breeder, colonies usually in emergent marsh vegetation, less... read more
Resident in Uruguay and Brazil. Possibly some altitudinal movement in Peru–Bolivia (race ... read more
Status and conservation
Not globally threatened. Rather common over most of its range, becoming naturally rarer or local towards subtropics. Scarce but widespread non-breeding visitor in Paraguay.... read more
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