Order: Passeriformes | Family: Icteridae | IUCN Status: Least Concern
Age: Adult | Sex: Male | Loc. Southern Brazil
Age: Adult | Sex: Female | Loc. Southern Brazil
Age: Adult | Sex: Male | Loc. Southern Brazil
Age: Adult | Sex: Female | Loc. Puerto Maldonado, Peru
Identification & Behavior: ~19.5 cm (7.6 in). The male Unicolored Blackbird is solid black. The female is brownish gray above mottled with dusky. The underparts are yellow with dusky streaks on the flanks. Young males are similar to a female. The tail is dusky, longish and square. The Unicolored Blackbird favors marshy vegetation growing at the edges of bodies of water. The male is similar to a Pale-eyed Blackbird but has a dark iris.
Status: The Unicolored Blackbird is known only from a few records near Puerto Maldonado in Madre de Dios. It also occurs in Br and Bo.
Name in Spanish: Tordo Unicolor.
Sub-species: Unicolored Blackbird (Agelasticus cyanopus beniensis), (Parkes), 1966.
Meaning of Name: Agelasticus: Gr. Agelē= herd and agō= to lead. Or agelastikos= gregarious. cyanopus: Gr. Kuaneō= to be dark in color, kuanōpos= dark of aspect.
See more of the Family Icteridae 
Distribution Map
Voice
VoiceReferences:
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- Species range based on: Schulenberg, T. S., D. F. Stotz, and L. Rico. 2006. Distribution maps of the birds of Peru, version 1.0. Environment, Culture & Conservation (ECCo). The Field Museum. http://fm2.fieldmuseum.org/uw_test/birdsofperu on 03/01/2016.