Stephanophorus diadematus
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In 3 days ~10%
The diademed tanager (Stephanophorus diadematus) is a species of Neotropical bird in the tanager family Thraupidae. It is the only member of the genus Stephanophorus. It is purple-blue with a white crown characterised by a small red patch, and it is found mostly in open areas in southern Brazil, northeast Argentina, and Uruguay.
The diademed tanager was formally described and illustrated in 1823 by the Dutch zoologist Coenraad Jacob Temminck under the binomial name Tanagra diademata. The type locality is Curitiba in Brazil. This is now the only species placed in the genus Stephanophorus that was introduced in 1841 by the English naturalist Hugh Edwin Strickland. The genus name combines the Ancient Greek stephanē meaning "diadem" and -phoros meaning "carrying". The specific epithet diadematus is Latin meaning "diademed". The diademed tanager is monotypic: no subspecies are recognised.
The diademed tanager is, on average, 19 cm (7.5 in) long and weighs 35–41.5 g (1–1 oz). When illuminated well, it is mostly dark glossy bluish-violet in color, although the coloration often seems dull blackish in poor light. The wings and tail have blue-bordered black feathers... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | El Palmar National Park | 🇦🇷 Argentina | |
| 2 | Itatiaia National Park | 🇧🇷 Brazil | |
| 3 | Serra dos Órgãos National Park | 🇧🇷 Brazil | |
| 4 | Iberá National Park | 🇦🇷 Argentina |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Curitiba | 🇧🇷 Brazil | |
| 2 | Buenos Aires | 🇦🇷 Argentina | |
| 3 | Montevideo | 🇺🇾 Uruguay |
Rare
Under 5% of wildlife watchers report a Diademed Tanager sighting in Buenos Aires on a given day, based on 306 verified sightings from GBIF citizen-science data. It is the 165th most-seen of the 274 birds we can rate there. Over three days the chance rises to about 10%, if each day is a fresh chance.
July
In that month about 10% of wildlife watchers report a Diademed Tanager in Buenos Aires on a given day, against under 5% in August to June, the lowest months.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Diademed Tanager 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 3 cities where we can rate Diademed Tanager sightings, Buenos Aires ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Curitiba (Brazil, under 5%).
Same family: Thraupidae
The closest relatives of the Diademed Tanager that you can see in Buenos Aires (family Thraupidae, Tanagers and Allies) are Saffron Finch (about 60%), Brazilian Cardinal (about 40%) and Sayaca Tanager (about 40%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Diademed Tanager is recorded against all the birds logged in Buenos Aires (306 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.
