Photo: Hector Bottai / CC BY-SA 4.0 (Wikimedia Commons)
Orange-bellied Antwren
Terenura sicki
Orange-bellied Antwren (Terenura sicki) — Songbirds & Perching Birds of South America.
Found across 2 guides in our atlas — open any for the full checklist, photos and what's around right now.
The Orange-bellied Antwren (Terenura sicki) is a member of the Thamnophilidae family found in South America. Adults weigh 6.4 g. The IUCN Red List lists it as Critically Endangered.
Conservation status
IUCN Red List (opens in a new tab)Facing an extremely high risk of extinction in the wild.
Where it fits
- Class Aves
- Order Passeriformes
- Family Thamnophilidae Antbirds
- Genus Terenura
- Species sicki
Quick facts
- Weight
- 6.4 g
- Diet
- Invertebrate-eaters
- Family
- Thamnophilidae
- Order
- Passeriformes
- Habitat
- Woodland
How to identify
Similar birds
Least Concern
Least Concern
Least Concern
Least Concern
Biology & behaviour
Diet
The Orange-bellied Antwren is a invertivore — it feeds mainly on invertebrates such as insects and other small prey.
Behaviour
A bird of dense forest, it spends much of its time perched in trees and shrubs.
Migration
The Orange-bellied Antwren is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
The Orange-bellied Antwren (Terenura sicki) belongs to the Thamnophilidae family of the order Passeriformes. It occurs naturally across South America. Its distribution covers SA e Brazil.
It is a very small bird. Adults weighs around 6.4 g, with a wing length of about 4.4 cm and a tail of around 3.9 cm.
It is classified as Critically Endangered on the IUCN Red List and is a focus of conservation concern. Critically Endangered is the highest risk category before extinction in the wild.
The species has a mapped global range of roughly 132 km² — a relatively restricted global range.
Songs & calls
Frequently asked questions
How big is the Orange-bellied Antwren?
The Orange-bellied Antwren is a very small bird that weighs around 6.4 g.
Where does the Orange-bellied Antwren live?
The Orange-bellied Antwren is found across South America with a range covering SA e Brazil, where it favours woodland, forest and well-treed country.
What family does the Orange-bellied Antwren belong to?
The Orange-bellied Antwren (Terenura sicki) belongs to the Thamnophilidae family, in the order Passeriformes.
What does the Orange-bellied Antwren eat?
The Orange-bellied Antwren is a invertivore — it feeds mainly on invertebrates such as insects and other small prey.
Does the Orange-bellied Antwren migrate?
The Orange-bellied Antwren is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
Is the Orange-bellied Antwren endangered?
It is classified as Critically Endangered on the IUCN Red List and is a focus of conservation concern Critically Endangered is the highest risk category before extinction in the wild.
What sound does the Orange-bellied Antwren make?
1 real field recording of the Orange-bellied Antwren — including its song — can be played in the Songs & calls section on this page, credited to the recordist who captured it.
How large is the Orange-bellied Antwren's range?
The Orange-bellied Antwren has a mapped global range of about 132 km².
Conservation
Every bird benefits from bird-safe windows, native plants, and keeping cats indoors. Small changes at home add up to real protection.
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Guides for this bird
Best Bird Feeders for Garden Songbirds
How to choose a bird feeder for garden songbirds — the feeder styles compared, the seed they prefer, where to hang it, and how to keep birds safe. A decision framework grounded in real data, with no mystery picks.
Meet the Thamnophilidae
A field guide to the Thamnophilidae family — 240 species in the Birbs encyclopedia, with the best-known members to start with.