Photo: Thibaud Aronson / CC BY-SA 4.0 (Wikimedia Commons)
Ash-breasted Sierra Finch
Geospizopsis plebejus
Ash-breasted Sierra Finch (Geospizopsis plebejus) — 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 Ash-breasted Sierra Finch (Geospizopsis plebejus) is a member of the Thraupidae family found in South America. Adults weigh 14.7 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 Geospizopsis
- Species plebejus
Quick facts
- Weight
- 14.7 g
- Diet
- Seed-eaters
- Family
- Thraupidae
- Order
- Passeriformes
- Habitat
- Woodland
How to identify
Similar birds
Least Concern
Least Concern
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Biology & behaviour
Diet
The Ash-breasted Sierra Finch is a granivore — it feeds mainly on seeds and grain.
Behaviour
A bird of open scrub and shrubland, it forages mainly on the ground.
Migration
The Ash-breasted Sierra Finch is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
The Ash-breasted Sierra Finch (Geospizopsis plebejus) is a member of the Thraupidae family, within the order Passeriformes. Its range spans South America. Its distribution covers SA w, sw.
It is a very small bird. Adults weighs around 14.7 g, with a wing length of about 7.4 cm and a tail of around 5.1 cm.
The IUCN Red List currently assesses it as Least Concern. That category covers species that remain widespread and reasonably abundant in the wild.
Its mapped global range covers an estimated 951,000 km².
Songs & calls
Frequently asked questions
How big is the Ash-breasted Sierra Finch?
The Ash-breasted Sierra Finch is a very small bird that weighs around 14.7 g.
Where does the Ash-breasted Sierra Finch live?
The Ash-breasted Sierra Finch is found across South America with a range covering SA w, sw, where it favours woodland, forest and well-treed country.
What family does the Ash-breasted Sierra Finch belong to?
The Ash-breasted Sierra Finch (Geospizopsis plebejus) belongs to the Thraupidae family, in the order Passeriformes.
What does the Ash-breasted Sierra Finch eat?
The Ash-breasted Sierra Finch is a granivore — it feeds mainly on seeds and grain.
Does the Ash-breasted Sierra Finch migrate?
The Ash-breasted Sierra Finch is largely sedentary, staying within its range year-round rather than making regular long-distance migrations.
Is the Ash-breasted Sierra 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.
What sound does the Ash-breasted Sierra Finch make?
1 real field recording of the Ash-breasted Sierra Finch — 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 Ash-breasted Sierra Finch's range?
The Ash-breasted Sierra Finch has a mapped global range of about 951,000 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 Thraupidae
A field guide to the Thraupidae family — 394 species in the Birbs encyclopedia, with the best-known members to start with.