Photo: Hector Bottai / CC BY 4.0 (Wikimedia Commons)
Eastern Olivaceous Flatbill
Rhynchocyclus olivaceus
Eastern Olivaceous Flatbill (Rhynchocyclus olivaceus) — Songbirds & Perching Birds of South America.
Found across 4 guides in our atlas — open any for the full checklist, photos and what's around right now.
The Eastern Olivaceous Flatbill (Rhynchocyclus olivaceus) is a member of the Tyrannidae family found in South America. Adults weigh 21.3 g. The IUCN Red List lists it as Least Concern.
Conservation status
IUCN Red List (opens in a new tab)Widespread and abundant — not currently at risk.
Where it fits
- Class Aves
- Order Passeriformes
- Family Tyrannidae Tyrant Flycatchers, Calyptura
- Genus Rhynchocyclus
- Species olivaceus
Where it lives
Southern Venezuela and the Guianas to northern, eastern Amazonian Brazil and eastern Brazil
Quick facts
- Weight
- 21.3 g
- Diet
- Invertebrate-eaters
- Family
- Tyrannidae
- Order
- Passeriformes
- Habitat
- Woodland
How to identify
Similar birds
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Biology & behaviour
Diet
The Eastern Olivaceous Flatbill 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 Eastern Olivaceous Flatbill is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
The Eastern Olivaceous Flatbill (Rhynchocyclus olivaceus) is a species of bird in the Tyrannidae family, part of the order Passeriformes. It is found across South America. Its distribution covers SA s Venezuela and the Guianas to n, e Amazonian Brazil and e Brazil.
It is a small bird. Adults weighs around 21.3 g, with a wing length of about 7.4 cm and a tail of around 6.4 cm.
The IUCN Red List currently assesses it as Least Concern. That category covers species that remain widespread and reasonably abundant in the wild.
The species has a mapped global range of roughly 2.8 million km².
Songs & calls
Frequently asked questions
How big is the Eastern Olivaceous Flatbill?
The Eastern Olivaceous Flatbill is a small bird that weighs around 21.3 g.
Where does the Eastern Olivaceous Flatbill live?
The Eastern Olivaceous Flatbill is found across South America with a range covering SA s Venezuela and the Guianas to n, e Amazonian Brazil and e Brazil, where it is typically found in wooded and forested habitats.
What family does the Eastern Olivaceous Flatbill belong to?
The Eastern Olivaceous Flatbill (Rhynchocyclus olivaceus) belongs to the Tyrannidae family, in the order Passeriformes.
What does the Eastern Olivaceous Flatbill eat?
The Eastern Olivaceous Flatbill is a invertivore — it feeds mainly on invertebrates such as insects and other small prey.
Does the Eastern Olivaceous Flatbill migrate?
The Eastern Olivaceous Flatbill is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
Is the Eastern Olivaceous Flatbill endangered?
The IUCN Red List currently assesses it as Least Concern That category covers species that remain widespread and reasonably abundant in the wild.
What sound does the Eastern Olivaceous Flatbill make?
1 real field recording of the Eastern Olivaceous Flatbill — 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 Eastern Olivaceous Flatbill's range?
The Eastern Olivaceous Flatbill has a mapped global range of about 2.8 million 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
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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 Tyrannidae
A field guide to the Tyrannidae family — 444 species in the Birbs encyclopedia, with the best-known members to start with.