Solitary Black Cacique

Cacicus solitarius

Black cacique with a creamy white bill. Forages in dense waterside vegetation around oxbow lakes, marshes, and slow-moving rivers. Dark eye distinguishes it from similar Ecuadorian and Yellow-billed Caciques, which have light eyes. Entirely black plumage distinguishes it from other caciques; habitat is another good clue. Larger and lankier with a longer bill than other blackbirds, like Giant Cowbird and Pale-eyed Blackbird.

Identification

The male solitary cacique has a length of about 27 cm (10.6 in) and the female 23 cm (9.1 in). It differs from all other entirely black birds with dark irises within its range, by having a large white, chisel-shaped, sharply-pointed beak. It could be confused with the Ecuadorian cacique (Cacicus sclateri), but that is smaller and has a restricted range, or the yellow-billed cacique (Amblycercus holosericeus), but that is not found east of the Andes. It has a range of different vocalizations which are mostly delivered at a measured pace but are sometimes interrupted by gurgles and growls.

Taxonomy

Genus: Cacicus; Family: Icteridae; Order: Passeriformes.

Scientific name
Cacicus solitarius
Authority
Vieillot, 1816
Order
Passeriformes
Family
Icteridae
Genus
Cacicus

Range and habitat

The solitary cacique has a very wide distribution in Amazonia. Its range extends southwards as far as northern Argentina and Uruguay at altitudes of up to about 800 m (2,625 ft). It inhabits forests, gallery forests and flooded areas. It is generally found in the mid-storey of the canopy, or the shrubby understorey, often clambering about among dense vines.

Migration
Complete migrants

Behavior

Migration pattern: Complete migrants.

Conservation

Population trend: stable.

Population trend
stable

Photos

Distribution

Bird Calls

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