Schoeniophylax phryganophilus
Silhouette: Sheatherius · PhyloPic
In 3 days ~40% in a week ~70%
The chotoy spinetail (Schoeniophylax phryganophilus) 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 chotoy spinetail was originally described in genus Sylvia. Later authors placed it in Synallaxis but by the early 2010s it was recognized in its own genus Schoeniophylax. It and the white-bellied spinetail (Mazaria propinqua) are sister species.
The chotoy spinetail is 20 to 22 cm (7.9 to 8.7 in) long and weighs 15 to 22.5 g (0.53 to 0.79 oz). It is a large spinetail with a unique throat pattern. The sexes have the same plumage. Adults of the nominate subspecies have a white supercilium and light brown ear coverts. Their forehead is dark brown, their crown chestnut with faint brown streaks, their back sandy brown with obvious dark brown streaks, and their lower back, rump, and uppertail coverts light brown. Their wings are mostly light brown with a chestnut shoulder. Their tail is long and light brown with... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Iberá National Park | 🇦🇷 Argentina | |
| 2 | El Impenetrable National Park | 🇦🇷 Argentina | |
| 3 | Parque Estadual Encontro das Águas | 🇧🇷 Brazil | |
| 4 | El Palmar National Park | 🇦🇷 Argentina |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Santa Cruz de la Sierra | 🇧🇴 Bolivia | |
| 2 | Rosario | 🇦🇷 Argentina | |
| 3 | Asuncion | 🇵🇾 Paraguay | |
| 4 | Buenos Aires | 🇦🇷 Argentina |
Possible
About 20% of wildlife watchers report a Chotoy Spinetail sighting in Rosario on a given day, based on 48 verified sightings from GBIF citizen-science data. It is the 60th most-seen of the 121 birds we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
April
In that month about 30% of wildlife watchers report a Chotoy Spinetail in Rosario on a given day, against about 10% in March, July and September–January, the lowest months.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Chotoy 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.
Among the best
Of the 4 cities where we can rate Chotoy Spinetail sightings, Rosario ranks 2nd at about 20%, level with the leaders once rounded. The best odds are in Santa Cruz de la Sierra (Bolivia, about 20%).
Same family: Furnariidae
The closest relatives of the Chotoy Spinetail that you can see in Rosario (family Furnariidae, Ovenbirds and Woodcreepers) are Rufous Hornero (about 90%), Sooty-fronted Spinetail (about 40%) and Narrow-billed Woodcreeper (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Chotoy Spinetail is recorded against all the birds logged in Rosario (48 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.
