Myrmorchilus strigilatus
Silhouette: Sheatherius · PhyloPic
In 3 days ~10% in a week ~20%
The stripe-backed antbird (Myrmorchilus strigilatus) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Argentina, Bolivia, Brazil and Paraguay. The genus Myrmorchilus was erected by the American ornithologist Robert Ridgway in 1909. The stripe-backed antbird is the only member of the genus.
The stripe-backed antbird is 15 to 16 cm (5.9 to 6.3 in) long and weighs 23 to 26 g (0.81 to 0.92 oz). Adult males of the nominate subspecies have a white supercilium and a dark line through the eye on an otherwise buffy face. Their crown, neck, and back are rufous with black streaks; their rump and uppertail coverts are plain rufous. Their central tail feathers are rufous and the outer ones black with white outer edges and tips. Their wings are black with some rufous on the edges of the flight feathers; their wing coverts are black with white tips. Their throat and breast are black. The rest of their underparts are white with black spots on the sides and flanks and a buff tinge to the... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | El Impenetrable National Park | 🇦🇷 Argentina | |
| 2 | Chapada Diamantina National Park | 🇧🇷 Brazil |
Rare
Under 5% of wildlife watchers report a Stripe-backed Antbird sighting in Chapada Diamantina National Park on a given day, based on 20 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 197th most-seen of the 271 birds we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
April and June
In those months about 10% of wildlife watchers report a Stripe-backed Antbird in Chapada Diamantina National Park on a given day, against under 5% in May and July–March, the lowest months.
Between 6 and 9 am
Across all the parks we cover, that three-hour window holds the most Stripe-backed Antbird sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
2nd of 2
Of the 2 parks where we can rate Stripe-backed Antbird sightings, Chapada Diamantina National Park ranks 2nd at under 5%. The best odds are in El Impenetrable National Park (Argentina, about 40%).
Same family: Thamnophilidae
The closest relatives of the Stripe-backed Antbird that you can see in Chapada Diamantina National Park (family Thamnophilidae, Typical Antbirds) are Rufous-winged Antshrike (about 40%), Sincorá Antwren (about 40%) and Planalto Slaty-Antshrike (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Stripe-backed Antbird is recorded against all the birds logged in Chapada Diamantina National Park (20 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.
