Synallaxis frontalis
Silhouette: Sheatherius · PhyloPic
In 3 days ~30% in a week ~60%
The sooty-fronted spinetail (Synallaxis frontalis) is a species of bird in the Furnariinae subfamily of the ovenbird family Furnariidae. It is found in Argentina, Bolivia, Brazil, Paraguay, and Uruguay. The sooty-fronted spinetail's taxonomy is unsettled. The International Ornithological Committee and BirdLife International's Handbook of the Birds of the World treat it as monotypic.
This article follows the no-subspecies model. The sooty-fronted spinetail is 14 to 16 cm (5.5 to 6.3 in) long and weighs 11 to 17 g (0.39 to 0.60 oz). The sexes have the same plumage. Adults have a thin brownish line through the eye on an otherwise brownish gray face. Their forecrown ("front") is dark gray-brown, their hindcrown and nape dark rufous, and their back, rump and uppertail coverts brown with a rufescent tinge. Their wing coverts are dark rufous and their flight feathers tawny-rufous with dusky tips. Their tail is dark rufous... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | El Palmar National Park | 🇦🇷 Argentina | |
| 2 | El Impenetrable National Park | 🇦🇷 Argentina | |
| 3 | Iberá National Park | 🇦🇷 Argentina | |
| 4 | Chapada Diamantina National Park | 🇧🇷 Brazil | |
| 5 | Serra da Canastra National Park | 🇧🇷 Brazil | |
| 6 | Chapada dos Guimarães National Park | 🇧🇷 Brazil | |
| 7 | Iguazú National Park | 🇦🇷 Argentina | |
| 8 | Iguaçu National Park | 🇧🇷 Brazil | |
| 9 | Amboró National Park | 🇧🇴 Bolivia |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Rosario | 🇦🇷 Argentina | |
| 2 | Buenos Aires | 🇦🇷 Argentina | |
| 3 | Campo Grande | 🇧🇷 Brazil | |
| 4 | Asuncion | 🇵🇾 Paraguay | |
| 5 | Goiânia | 🇧🇷 Brazil | |
| 6 | Belo Horizonte | 🇧🇷 Brazil | |
| 7 | Campinas | 🇧🇷 Brazil | |
| 8 | Brasilia | 🇧🇷 Brazil | |
| 9 | Cordoba | 🇦🇷 Argentina | |
| 10 | São Paulo | 🇧🇷 Brazil |
With luck
About 10% of wildlife watchers report a Sooty-fronted Spinetail sighting in Serra da Canastra National Park on a given day, based on 71 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 135th most-seen of the 294 birds we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
February and March
In those months about 20% of wildlife watchers report a Sooty-fronted Spinetail in Serra da Canastra National Park on a given day, against about 10% in April to January, the lowest months. Those are among Serra da Canastra National Park's wettest months, with about 210 mm of rain a month against almost none in July.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Sooty-fronted Spinetail 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 9
Of the 9 parks where we can rate Sooty-fronted Spinetail sightings, Serra da Canastra National Park ranks 5th at about 10%. The best odds are in El Palmar National Park (Argentina, about 60%), El Impenetrable National Park (Argentina, about 50%) and Iberá National Park (Argentina, about 30%). All parks ranked.
Same genus: Synallaxis
The closest relatives of the Sooty-fronted Spinetail that you can see in Serra da Canastra National Park (genus Synallaxis, Synallaxis Spinetails) are Spix's Spinetail (about 30%) and Pale-breasted Spinetail (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Sooty-fronted Spinetail is recorded against all the birds logged in Serra da Canastra National Park (71 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.
