Automolus infuscatus
Silhouette: Sheatherius · PhyloPic
In 3 days ~10% in a week ~20%
The olive-backed foliage-gleaner (Automolus infuscatus) is a species of bird in the Furnariinae subfamily of the ovenbird family Furnariidae. It is found in every mainland South American country except Argentina, Chile, Paraguay, and Uruguay.
The olive-backed foliage-gleaner has these four subspecies: Automolus infuscatus infuscatus (Sclater, PL, 1856) Automolus infuscatus badius Zimmer, JT, 1935 Automolus infuscatus cervicalis (Sclater, PL, 1889) Automolus infuscatus purusianus Todd, 1948
What is now the Para foliage-gleaner (A. paraensis) was a fifth subspecies. Following a 2002 publication, major taxonomic systems elevated it to species rank. The olive-backed foliage-gleaner, Para foliage-gleaner, Pernambuco foliage-gleaner (A. lammi), and white-eyed foliage-gleaner (A. leucophthalmus) form a superspecies.
The olive-backed foliage-gleaner is 18 to 19 cm (7.1 to 7.5 in) long and weighs about 27 to 40 g (0.95 to 1.4 oz). It is a fairly large member of its genus and has a heavy bill. The sexes have the same plumage. Adults of the nominate subspecies A. i. infuscatus have a mostly blackish brown face with faint reddish streaks on the... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Tambopata National Reserve | 🇵🇪 Peru | |
| 2 | Manu National Park | 🇵🇪 Peru | |
| 3 | Amacayacu National Natural Park | 🇨🇴 Colombia | |
| 4 | Brownsberg Nature Park | 🇸🇷 Suriname | |
| 5 | Yasuní National Park | 🇪🇨 Ecuador |
Rare
Under 5% of wildlife watchers report an Olive-backed Foliage-gleaner sighting in Brownsberg Nature Park on a given day, based on 7 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 191st most-seen of the 221 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.
January and April
In those months about 10% of wildlife watchers report an Olive-backed Foliage-gleaner in Brownsberg Nature Park on a given day, against under 5% in February–March and August–December, the lowest months. May to July have too few records to rate.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Olive-backed Foliage-gleaner sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
4th of 5
Of the 5 parks where we can rate Olive-backed Foliage-gleaner sightings, Brownsberg Nature Park ranks 4th at under 5%. The best odds are in Tambopata National Reserve (Peru, about 10%), Manu National Park (Peru, under 5%) and Amacayacu National Natural Park (Colombia, under 5%).
Same family: Furnariidae
The closest relatives of the Olive-backed Foliage-gleaner that you can see in Brownsberg Nature Park (family Furnariidae, Ovenbirds and Woodcreepers) are Chestnut-rumped Woodcreeper (about 40%), Wedge-billed Woodcreeper (about 40%) and Buff-throated Woodcreeper (about 40%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Olive-backed Foliage-gleaner is recorded against all the birds logged in Brownsberg Nature Park (7 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.
