Cacicus chrysopterus
Silhouette: Sheatherius · PhyloPic
In 3 days ~20% in a week ~40%
The golden-winged cacique (Cacicus chrysopterus) 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, and Uruguay.
The golden-winged cacique has a complicated taxonomic history. It was formally described in 1825 with the binomial Xanthornus Chrysopterus [sic]. In the first half of the twentieth century it was known as Archiplanus albirostris. When Archiplanus was merged into the current genus Cacicus later in the century, the binomial "Cacicus albirostris" already applied to another species so by the principle of priority the golden-winged cacique's specific epithet was returned to chrysopterus.
The golden-winged cacique is monotypic. Male golden-winged caciques are about 21 cm (8.3 in) long and females about 19 cm (7.5 in). Males weigh about 35 to 47 g (1.2 to 1.7 oz) and females about 30 to 34 g (1.1 to 1.2 oz). The sexes have the same plumage. Adults are almost entirely black. Their lower rump and their median and inner greater wing coverts are bright yellow. They have a pearly white to yellow iris, a pale bluish gray bill, and... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | El Impenetrable National Park | 🇦🇷 Argentina | |
| 2 | Itatiaia National Park | 🇧🇷 Brazil | |
| 3 | Iberá National Park | 🇦🇷 Argentina | |
| 4 | Iguazú National Park | 🇦🇷 Argentina | |
| 5 | Iguaçu National Park | 🇧🇷 Brazil |
With luck
About 10% of wildlife watchers report a Golden-winged Cacique sighting in Iberá National Park on a given day, based on 116 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 176th most-seen of the 284 birds we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
February–April, June and August–October
In those months about 10% of wildlife watchers report a Golden-winged Cacique in Iberá National Park on a given day, against under 5% in May, July and November–January, the lowest months.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Golden-winged Cacique sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
3rd of 5
Of the 5 parks where we can rate Golden-winged Cacique sightings, Iberá National Park ranks 3rd at about 10%. The best odds are in El Impenetrable National Park (Argentina, about 50%) and Itatiaia National Park (Brazil, about 20%).
GBIF citizen-science records
It is estimated from how often the Golden-winged Cacique is recorded against all the birds logged in Iberá National Park (116 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
