Photo: Gary L.Clark / CC BY-SA 4.0 (Wikimedia Commons)
Red-rumped Bush Tyrant
Cnemarchus erythropygius
Red-rumped Bush Tyrant (Cnemarchus erythropygius) — Songbirds & Perching Birds of South America.
Found across 6 guides in our atlas — open any for the full checklist, photos and what's around right now.
The Red-rumped Bush Tyrant (Cnemarchus erythropygius) is a member of the Tyrannidae family found in South America. Adults weigh 41 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 Cnemarchus
- Species erythropygius
Quick facts
- Weight
- 41 g
- Diet
- Invertebrate-eaters
- Family
- Tyrannidae
- Order
- Passeriformes
- Habitat
- Woodland
How to identify
Similar birds
Vulnerable
Least Concern
Least Concern
Biology & behaviour
Diet
The Red-rumped Bush Tyrant is a invertivore — it feeds mainly on invertebrates such as insects and other small prey.
Behaviour
A bird of open scrub and shrubland, it spends much of its time perched in trees and shrubs.
Migration
The Red-rumped Bush Tyrant is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
The Red-rumped Bush Tyrant (Cnemarchus erythropygius) is a member of the Tyrannidae family, within the order Passeriformes. It is found across South America. Its distribution covers SA Colombia to Bolivia.
It is a small bird. Adults weighs around 41 g, with a wing length of about 14.3 cm and a tail of around 10.3 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 178,000 km².
Songs & calls
Frequently asked questions
How big is the Red-rumped Bush Tyrant?
The Red-rumped Bush Tyrant is a small bird that weighs around 41 g.
Where does the Red-rumped Bush Tyrant live?
The Red-rumped Bush Tyrant is found across South America with a range covering SA Colombia to Bolivia, where it favours woodland, forest and well-treed country.
What family does the Red-rumped Bush Tyrant belong to?
The Red-rumped Bush Tyrant (Cnemarchus erythropygius) belongs to the Tyrannidae family, in the order Passeriformes.
What does the Red-rumped Bush Tyrant eat?
The Red-rumped Bush Tyrant is a invertivore — it feeds mainly on invertebrates such as insects and other small prey.
Does the Red-rumped Bush Tyrant migrate?
The Red-rumped Bush Tyrant is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
Is the Red-rumped Bush Tyrant 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 Red-rumped Bush Tyrant make?
1 real field recording of the Red-rumped Bush Tyrant — including its call — can be played in the Songs & calls section on this page, credited to the recordist who captured it.
How large is the Red-rumped Bush Tyrant's range?
The Red-rumped Bush Tyrant has a mapped global range of about 178,000 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.