Photo: Hector Bottai / CC BY-SA 4.0 (Wikimedia Commons)
Grey-crowned Flatbill
Tolmomyias poliocephalus
Grey-crowned Flatbill (Tolmomyias poliocephalus) — Songbirds & Perching Birds of South America.
Found across 8 guides in our atlas — open any for the full checklist, photos and what's around right now.
The Grey-crowned Flatbill (Tolmomyias poliocephalus) is a member of the Tyrannidae family found in South America. Adults weigh 10.8 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 Tolmomyias
- Species poliocephalus
Quick facts
- Weight
- 10.8 g
- Diet
- Invertebrate-eaters
- Family
- Tyrannidae
- Order
- Passeriformes
- Habitat
- Woodland
How to identify
Similar birds
Least Concern
Least Concern
Least Concern
Least Concern
Biology & behaviour
Diet
The Grey-crowned 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 Grey-crowned Flatbill is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
The Grey-crowned Flatbill (Tolmomyias poliocephalus) belongs to the Tyrannidae family of the order Passeriformes. Its range spans South America. Its distribution covers SA Amazonia and e Brazil.
It is a very small bird. Adults weighs around 10.8 g, with a wing length of about 5.4 cm and a tail of around 4.6 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 6.1 million km².
Songs & calls
Frequently asked questions
How big is the Grey-crowned Flatbill?
The Grey-crowned Flatbill is a very small bird that weighs around 10.8 g.
Where does the Grey-crowned Flatbill live?
The Grey-crowned Flatbill is found across South America with a range covering SA Amazonia and e Brazil, where it is typically found in wooded and forested habitats.
What family does the Grey-crowned Flatbill belong to?
The Grey-crowned Flatbill (Tolmomyias poliocephalus) belongs to the Tyrannidae family, in the order Passeriformes.
What does the Grey-crowned Flatbill eat?
The Grey-crowned Flatbill is a invertivore — it feeds mainly on invertebrates such as insects and other small prey.
Does the Grey-crowned Flatbill migrate?
The Grey-crowned Flatbill is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
Is the Grey-crowned 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 Grey-crowned Flatbill make?
1 real field recording of the Grey-crowned 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 Grey-crowned Flatbill's range?
The Grey-crowned Flatbill has a mapped global range of about 6.1 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.