Serpophaga subcristata
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The white-crested tyrannulet (Serpophaga subcristata) is a small species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Argentina, Bolivia, Brazil, Paraguay, and Uruguay. The white-crested tyrannulet was originally described as Sylvia subcristata, thought to be a member of what at the time was the Old World warbler family.
Subspecies S. s. munda was originally described as a full species. BirdLife International's Handbook of the Birds of the World lumped it into the white-crested tyrannulet in 2020. The Clements taxonomy followed suit in 2022 as did the South American Classification Committee of the American Ornithological Society and the International Ornithological Committee in 2023. In addition, what is now Straneck's tyrannulet (S. griseicapilla) was long confused with the white-crested tyrannulet but was eventually recognized as a full species based largely on their very different vocalizations.
The white-crested tyrannulet is 11 cm (4.3... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | El Palmar National Park | 🇦🇷 Argentina | |
| 2 | Serra da Canastra National Park | 🇧🇷 Brazil | |
| 3 | Iberá National Park | 🇦🇷 Argentina | |
| 4 | Itatiaia National Park | 🇧🇷 Brazil | |
| 5 | El Impenetrable National Park | 🇦🇷 Argentina | |
| 6 | Chapada Diamantina National Park | 🇧🇷 Brazil | |
| 7 | Amboró National Park | 🇧🇴 Bolivia | |
| 8 | Serra dos Órgãos National Park | 🇧🇷 Brazil | |
| 9 | Iguazú National Park | 🇦🇷 Argentina | |
| 10 | Iguaçu National Park | 🇧🇷 Brazil |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Buenos Aires | 🇦🇷 Argentina | |
| 2 | Rosario | 🇦🇷 Argentina | |
| 3 | Cochabamba | 🇧🇴 Bolivia | |
| 4 | Montevideo | 🇺🇾 Uruguay | |
| 5 | Curitiba | 🇧🇷 Brazil | |
| 6 | Mendoza | 🇦🇷 Argentina | |
| 7 | Campinas | 🇧🇷 Brazil | |
| 8 | Porto Alegre | 🇧🇷 Brazil | |
| 9 | Belo Horizonte | 🇧🇷 Brazil | |
| 10 | Asuncion | 🇵🇾 Paraguay |
Rare
Under 5% of wildlife watchers report a White-crested Tyrannulet sighting in Serra dos Órgãos National Park on a given day, based on 12 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 278th most-seen of the 336 birds we can rate there. Over three days the chance rises to about 10%, if each day is a fresh chance.
June
In that month about 10% of wildlife watchers report a White-crested Tyrannulet in Serra dos Órgãos National Park on a given day, against under 5% in July to May, the lowest months. That is one of Serra dos Órgãos National Park's driest months, with about 65 mm of rain against 310 mm in November.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most White-crested Tyrannulet sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
8th of 10
Of the 10 parks where we can rate White-crested Tyrannulet sightings, Serra dos Órgãos National Park ranks 8th at under 5%. The best odds are in El Palmar National Park (Argentina, about 50%), Serra da Canastra National Park (Brazil, about 20%) and Iberá National Park (Argentina, about 20%).
Same family: Tyrannidae
The closest relatives of the White-crested Tyrannulet that you can see in Serra dos Órgãos National Park (family Tyrannidae, Tyrant Flycatchers) are Great Kiskadee (about 80%), Yellow-olive Flycatcher (about 50%) and Social Flycatcher (about 50%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the White-crested Tyrannulet is recorded against all the birds logged in Serra dos Órgãos National Park (12 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.
