Thamnophilus murinus
Silhouette: Sheatherius · PhyloPic
In 3 days ~90% in a week >90%
The mouse-colored antshrike (Thamnophilus murinus) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela.
The mouse-colored antshrike was described by the English ornithologists Philip Sclater and Osbert Salvin in 1868 and given its current binomial name Thamnophilus murinus. It and the plain-winged antshrike (T. schistaceus) are sister species.
The mouse-colored antshrike is 13 to 14 cm (5.1 to 5.5 in) long and weighs 17 to 20 g (0.60 to 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 of the nominate subspecies have gray upperparts with a hidden white patch between their scapulars. Their wings are dark yellowish brown that is somewhat rufous in the eastern part of... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Brownsberg Nature Park | 🇸🇷 Suriname | |
| 2 | Amacayacu National Natural Park | 🇨🇴 Colombia | |
| 3 | Yasuní National Park | 🇪🇨 Ecuador | |
| 4 | Anavilhanas National Park | 🇧🇷 Brazil | |
| 5 | Cuyabeno Wildlife Reserve | 🇪🇨 Ecuador | |
| 6 | Sierra de la Macarena National Park | 🇨🇴 Colombia |
Likely
About 50% of wildlife watchers report a Mouse-colored Antshrike sighting in Brownsberg Nature Park on a given day, based on 157 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 8th most-seen of the 221 birds we can rate there. Over three days the chance rises to about 90%, and over a week to over 90%, if each day is a fresh chance.
December
In that month about 80% of wildlife watchers report a Mouse-colored Antshrike in Brownsberg Nature Park on a given day, against about 30% in November, the lowest month. May to July have too few records to rate.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Mouse-colored Antshrike sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 6 parks where we can rate Mouse-colored Antshrike sightings, Brownsberg Nature Park has the highest daily chance: about 50%. Next come Amacayacu National Natural Park (Colombia, about 20%) and Yasuní National Park (Ecuador, about 20%).
Same genus: Thamnophilus
The closest relatives of the Mouse-colored Antshrike that you can see in Brownsberg Nature Park (genus Thamnophilus, Typical Antshrikes) are Amazonian Antshrike (about 30%) and Northern Slaty-Antshrike (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Mouse-colored Antshrike is recorded against all the birds logged in Brownsberg Nature Park (157 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.
