Herpsilochmus sticturus
Silhouette: Sheatherius · PhyloPic
In 3 days ~40% in a week ~70%
The spot-tailed antwren (Herpsilochmus sticturus) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Brazil, French Guiana, Guyana, Suriname, and Venezuela. The spot-tailed antwren and Dugand's antwren (H. dugandi) were previously considered conspecific and now are treated as a superspecies. The spot-tailed antwren is monotypic.
The spot-tailed antwren is 9.5 to 10.5 cm (3.7 to 4.1 in) long and weighs 8 to 9 g (0.28 to 0.32 oz). Adult males have a black crown and nape, a long pale gray to white supercilium, a black streak through the eye, and pale grayish ear coverts. Their back and rump are dark gray with black patches, white-edged black scapulars, and a white patch between the scapulars. Their wings are black with white tips on the coverts and white edges on the flight feathers. Their tail is black with white tips and a long white streak on the central feathers. Their throat and underparts are pale gray with a white center to the belly. Adult females have a black crown with rufous-cinnamon streaks, buffy edges on the flight feathers, and paler, buff-tinged, underparts than... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Brownsberg Nature Park | 🇸🇷 Suriname |
More parks will be added in future updates.
With luck
About 10% of wildlife watchers report a Spot-tailed Antwren sighting in Brownsberg Nature Park on a given day, based on 40 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 105th most-seen of the 221 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.
December
In that month about 30% of wildlife watchers report a Spot-tailed Antwren in Brownsberg Nature Park on a given day, against under 5% in October, the lowest month. May to July have too few records to rate.
Only Brownsberg Nature Park, in our data
Brownsberg Nature Park is the only park on Wallace's Line with enough records to rate Spot-tailed Antwren sightings: about 10% of wildlife watchers there report one on a given day.
GBIF citizen-science records
It is estimated from how often the Spot-tailed Antwren is recorded against all the birds logged in Brownsberg Nature Park (40 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.
