Photo: J G Keulemans / Public domain (Wikimedia Commons)
Boulder Finch
Idiopsar brachyurus
Boulder Finch (Idiopsar brachyurus) — 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 Boulder Finch (Idiopsar brachyurus) is a member of the Thraupidae family found in South America. Adults weigh 43 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 Thraupidae Tanagers & Allies
- Genus Idiopsar
- Species brachyurus
Where it lives
Southern Peru to central Bolivia; southern Bolivia and northern Argentina
Quick facts
- Weight
- 43 g
- Diet
- Omnivores
- Family
- Thraupidae
- Order
- Passeriformes
- Habitat
- Grassland & open country
How to identify
Similar birds
Critically Endangered
Least Concern
Least Concern
Least Concern
Biology & behaviour
Diet
The Boulder Finch is a omnivore — it takes a broad, omnivorous diet of both plant and animal foods.
Behaviour
A bird of open grassland, it forages mainly on the ground.
Migration
The Boulder Finch is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
The Boulder Finch (Idiopsar brachyurus) is a species of bird in the Thraupidae family, part of the order Passeriformes. It occurs naturally across South America. Its distribution covers SA s Peru to c Bolivia; s Bolivia and n Argentina.
It is a small bird. Adults weighs around 43 g, with a wing length of about 10.1 cm and a tail of around 7 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 76,000 km².
Frequently asked questions
How big is the Boulder Finch?
The Boulder Finch is a small bird that weighs around 43 g.
Where does the Boulder Finch live?
The Boulder Finch is found across South America with a range covering SA s Peru to c Bolivia; s Bolivia and n Argentina, where it favours open grassland, scrub and lightly vegetated country.
What family does the Boulder Finch belong to?
The Boulder Finch (Idiopsar brachyurus) belongs to the Thraupidae family, in the order Passeriformes.
What does the Boulder Finch eat?
The Boulder Finch is a omnivore — it takes a broad, omnivorous diet of both plant and animal foods.
Does the Boulder Finch migrate?
The Boulder Finch is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
Is the Boulder Finch endangered?
The IUCN Red List currently assesses it as Least Concern That category covers species that remain widespread and reasonably abundant in the wild.
How large is the Boulder Finch's range?
The Boulder Finch has a mapped global range of about 76,000 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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A field guide to the Thraupidae family — 394 species in the Birbs encyclopedia, with the best-known members to start with.