Thamnophilus aroyae
Silhouette: Sheatherius · PhyloPic
In 3 days ~20% in a week ~40%
The upland antshrike (Thamnophilus aroyae) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in the eastern Andes of Bolivia and southeastern Peru. The upland antshrike is monotypic.
The upland antshrike is 14.5 to 15 cm (5.7 to 5.9 in) long and weighs about 20 g (0.71 oz). Members of genus Thamnophilus are largish members of the antbird family; all have stout bills with a hook like those of true shrikes. This species exhibits significant sexual dimorphism. Adult males have medium gray upperparts with a blacker crown and a hidden white patch between their scapulars. Their wings are black or brownish black and their wing coverts have white tips. Their tail is black or brownish black with white tips on all but the central pair of feathers. Their underparts are a slightly paler gray than their upperparts. Adult females have a dark rufous crown and nape and a gray face with white streaks or spots. Their upperparts are dark olive-brown. Their underparts are tawny olive or tawny brown. Both sexes have a highly variable (from buffy white to brown) iris color, a black maxilla, a paler...
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Madidi National Park | 🇧🇴 Bolivia |
More parks will be added in future updates.
With luck
About 10% of wildlife watchers report an Upland Antshrike sighting in Madidi National Park on a given day, based on 9 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 150th most-seen of the 239 birds we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
January–February and October
In those months about 10% of wildlife watchers report an Upland Antshrike in Madidi National Park on a given day, against under 5% in April–September and November, the lowest months. Those are among Madidi National Park's wettest months, with about 220 mm of rain a month against 40 mm in July. March and December have too few records to rate.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Upland Antshrike sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
Only Madidi National Park, in our data
Madidi National Park is the only park on Wallace's Line with enough records to rate Upland Antshrike sightings: about 10% of wildlife watchers there report one on a given day.
Same genus: Thamnophilus
The closest relatives of the Upland Antshrike that you can see in Madidi National Park (genus Thamnophilus, Typical Antshrikes) are Barred Antshrike (about 20%) and Plain-winged Antshrike (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Upland Antshrike is recorded against all the birds logged in Madidi National Park (9 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.
