Phyllomyias fasciatus
Silhouette: Emily Willoughby · PhyloPic
In 3 days ~30% in a week ~50%
The planalto tyrannulet (Phyllomyias fasciatus) is a species of bird in subfamily Elaeniinae of family Tyrannidae, the tyrant flycatchers. It is found in Argentina, Bolivia, Brazil, and Paraguay. The planalto tyrannulet is 11 to 11.5 cm (4.3 to 4.5 in) long. The sexes have the same plumage. Adults of the nominate subspecies have dull grayish-olive to brownish-olive crowns, napes, backs, and rumps, with the crown being the grayest part. Their lores, supercilium, partial eyering, and lower face are whitish with a dark stripe through their eye. Their wings are dusky with pale olive to whitish edges to the flight feathers and the ends of the coverts; The latter show as two pale bars on the closed wing. Their tail is dusky. Their throat is whitish and their underparts yellow with an olive wash on the breast and sides. Subspecies P. f. brevirostris has darker olive upperparts than the nominate, with pale olive (not whitish... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Itatiaia National Park | 🇧🇷 Brazil | |
| 2 | Serra dos Órgãos National Park | 🇧🇷 Brazil | |
| 3 | Chapada Diamantina National Park | 🇧🇷 Brazil | |
| 4 | Serra da Canastra National Park | 🇧🇷 Brazil | |
| 5 | Chapada dos Guimarães National Park | 🇧🇷 Brazil | |
| 6 | Tijuca National Park | 🇧🇷 Brazil |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | João Pessoa | 🇧🇷 Brazil | |
| 2 | Recife | 🇧🇷 Brazil | |
| 3 | Belo Horizonte | 🇧🇷 Brazil | |
| 4 | São Paulo | 🇧🇷 Brazil | |
| 5 | Curitiba | 🇧🇷 Brazil | |
| 6 | Rio de Janeiro | 🇧🇷 Brazil | |
| 7 | Santos | 🇧🇷 Brazil |
With luck
About 10% of wildlife watchers report a Planalto Tyrannulet sighting in Chapada dos Guimarães National Park on a given day, based on 76 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 105th most-seen of the 273 birds we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
June and October
In those months about 30% of wildlife watchers report a Planalto Tyrannulet in Chapada dos Guimarães National Park on a given day, against under 5% in July, September and November, the lowest months. Those are among Chapada dos Guimarães National Park's driest months, with about 55 mm of rain a month against 240 mm in March. February to April have too few records to rate.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Planalto 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.
5th of 6
Of the 6 parks where we can rate Planalto Tyrannulet sightings, Chapada dos Guimarães National Park ranks 5th at about 10%. The best odds are in Itatiaia National Park (Brazil, about 40%), Serra dos Órgãos National Park (Brazil, about 20%) and Chapada Diamantina National Park (Brazil, about 10%).
Same family: Tyrannidae
The closest relatives of the Planalto Tyrannulet that you can see in Chapada dos Guimarães National Park (family Tyrannidae, Tyrant Flycatchers) are Great Kiskadee (about 70%), Boat-billed Flycatcher (about 40%) and Rusty-margined Flycatcher (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Planalto Tyrannulet is recorded against all the birds logged in Chapada dos Guimarães National Park (76 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.
