Amblyramphus holosericeus
Silhouette: Sheatherius · PhyloPic
In 3 days <5% in a week ~10%
The scarlet-headed blackbird (Amblyramphus holosericeus) 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 scarlet-headed blackbird was formally described in 1786 with the binomial Xanthornus holosericeus. It is now the only member of genus Amblyramphus and has no subspecies. Male scarlet-headed blackbirds average 25 cm (9.8 in) long and weigh an average of 86 g (3.0 oz). Females average 22.5 cm (8.9 in) long and weigh an average of 75 g (2.6 oz). The sexes have the same plumage. Adults have a thin black stripe behind the lores and black eyelids. The rest of their head and their neck, upper breast, and thighs are scarlet-red. The rest of their plumage is a slightly glossy black. They have a black iris, a sharp, chisel-shaped black bill, and black legs and feet. Juveniles are almost entirely brownish black with a yellowish wash on the throat and breast; they gradually acquire the adult's red.
The scarlet-headed blackbird has a disjunct distribution. Its largest range from northern... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Iberá National Park | 🇦🇷 Argentina | |
| 2 | Parque Estadual Encontro das Águas | 🇧🇷 Brazil |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Buenos Aires | 🇦🇷 Argentina | |
| 2 | Porto Alegre | 🇧🇷 Brazil |
| # | Zoo / Centre | Country | |
|---|---|---|---|
| 1 | Prague Zoo | 🇨🇿 Czechia | |
| 2 | Zoo Miami | 🇺🇸 United States | |
| 3 | Toronto Zoo | 🇨🇦 Canada | |
| 4 | Parc zoologique de Montpellier | 🇫🇷 France | |
| 5 | Zoo Aquarium de Madrid | 🇪🇸 Spain | |
| 6 | Cleres Zoological Park | 🇫🇷 France | |
| 7 | Vogelpark Avifauna | 🇳🇱 Netherlands | |
| 8 | National Aviary | 🇺🇸 United States | |
| 9 | Rákosův pavilon | 🇨🇿 Czechia | |
| 10 | Velemlokárium | 🇨🇿 Czechia |
Rare
Under 5% of wildlife watchers report a Scarlet-headed Blackbird sighting in Porto Alegre on a given day, based on 19 verified sightings from GBIF citizen-science data. It is the 118th most-seen of the 159 birds we can rate there. Over three days the chance rises to under 5%, and over a week to about 10%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Scarlet-headed Blackbird in Porto Alegre on a given day, so our monthly data shows no clear season.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Scarlet-headed Blackbird sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 2 cities where we can rate Scarlet-headed Blackbird sightings, Porto Alegre ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Buenos Aires (Argentina, under 5%).
Same family: Icteridae
The closest relatives of the Scarlet-headed Blackbird that you can see in Porto Alegre (family Icteridae, New World Blackbirds and Orioles) are Shiny Cowbird (about 30%), Grayish Baywing (about 20%) and Epaulet Oriole (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Scarlet-headed Blackbird is recorded against all the birds logged in Porto Alegre (19 verified sightings), 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.
