Unicoloured Blackbird
Agelasticus cyanopus
Silhouette: Sheatherius · PhyloPic
- KingdomAnimalia (Animals)
- PhylumChordata (Chordates)
- ClassAves (Birds)
- OrderPasseriformes (Perching Birds)
- FamilyIcteridae (New World Blackbirds and Orioles)
- GenusAgelasticus (Agelasticus Blackbirds)
- SpeciesAgelasticus cyanopus (Unicoloured Blackbird)
About the Unicoloured Blackbird
The unicolored blackbird (Agelasticus cyanopus) is a species of bird in the family Icteridae, the oropendolas, New World orioles, and New World blackbirds. It is found in Argentina, Bolivia, Brazil, Paraguay, Uruguay, and as a vagrant in Peru.
The unicolored blackbird was formally described in 1819 with the binomial Agelaius cyanopus. The species was later assigned to genus Chrysomus. By the 1990s Agelaius and Chrysomus were beginning to be recognized as polyphyletic, and early in the twenty-first century Agelasticus, which had been erected in 1851, was resurrected for the unicolored blackbird and two other species.
The unicolored blackbird's further taxonomy is unsettled. The IOC, AviList, and BirdLife International's Handbook of the Birds of the World recognize these four subspecies: A. c. xenicus (Parkes, 1966) A. c. atroolivaceus (Wied-Neuwied, M, 1831)
A. c. beniensis (Parkes, 1966) A. c. cyanopus (Vieillot, 1819) However, as of late 2025 the Clements taxonomy does not recognize A. c. beniensis and treats A. c. xenicus by its earlier binomial A. c. unicolor (Swainson, 1838).
The females have notably different plumage and some authors have suggested... Wikipedia →
Recent sightings of Unicoloured Blackbird in El Impenetrable National Park
LIVEiNaturalistClosest Relatives at El Impenetrable National Park
Solitary Black Cacique
Cacicus solitarius
Orange-backed Oriole
Icterus icterus
Epaulet Oriole
Icterus cayanensis
Grayish Baywing
Agelaioides badius
Golden-winged Cacique
Cacicus chrysopterus
Shiny Cowbird
Molothrus bonariensis
Crested Oropendola
Psarocolius decumanus
Chestnut-capped Blackbird
Chrysomus ruficapillus
White-browed Meadowlark
Sturnella superciliaris
Screaming Cowbird
Molothrus rufoaxillaris
Scarlet-headed Blackbird
Amblyramphus holosericeus
Brazilian Cardinal
Paroaria coronata
Global Distribution
Warmer areas are where this animal is recorded most often.
Parks Where Found
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Iberá National Park | 🇦🇷 Argentina | |
| 2 | Parque Estadual Encontro das Águas | 🇧🇷 Brazil | |
| 3 | El Impenetrable National Park | 🇦🇷 Argentina | |
| 4 | Iguazú National Park | 🇦🇷 Argentina | |
| 5 | Iguaçu National Park | 🇧🇷 Brazil | |
| 6 | Chapada Diamantina National Park | 🇧🇷 Brazil | |
| 7 | El Palmar National Park | 🇦🇷 Argentina | |
| 8 | Serra dos Órgãos National Park | 🇧🇷 Brazil | |
| 9 | Chapada dos Guimarães National Park | 🇧🇷 Brazil |
Quick answers
What are the chances of seeing a Unicoloured Blackbird in El Impenetrable National Park?
Under 5% of wildlife watchers report a Unicoloured Blackbird sighting in El Impenetrable National Park, based on 11 verified sightings from GBIF citizen-science data.
When is the best time to see Unicoloured Blackbird in El Impenetrable National Park?
November has the highest sighting rate for Unicoloured Blackbird in El Impenetrable National Park in our monthly data.