Bay-chested Warbling Finch (Castanozoster thoracicus)
Illustration redrawn by AI from a real photograph

Bay-chested Warbling Finch

Castanozoster thoracicus (Nordmann, 1835)

14 cmLength12 gWeight

The bay-chested warbling finch (Castanozoster thoracicus) is a species of bird in the family Thraupidae.

Busiest months: October–November · Most records: Brazil

Least Concern

Where and when it's recorded

Bay-chested Warbling Finch has been recorded at 9 of the 8,171 birding hotspots we track, in 1 country or region.

Records by month Southern Hemisphere

Where it's recorded most

  1. PN do Itatiaia – Agulhas Negras RoadBrazil456 records
  2. PN do Itatiaia – área geralBrazil97 records
  3. PN de Itatiaia – Hotel do YpêBrazil24 records
More places
  1. PN do Itatiaia – Trilha dos Três PicosBrazil15 records
  2. PN do Itatiaia – Parte BaixaBrazil11 records
  3. Reserva Ecológica de GuapiaçuBrazil5 records
  4. Nova Friburgo – Ecolodge ItororóBrazil4 records
  5. PE IntervalesBrazil3 records
  6. PE Intervales – Pousadas e arredoresBrazil1 record

Countries and regions with the most records

Brazil

eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.

About

The bay-chested warbling finch (Castanozoster thoracicus) is a species of bird in the family Thraupidae. It is endemic to southeastern Brazil. Its natural habitats are temperate forests and subtropical or tropical moist montane forests.

Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia

Questions

How big is the Bay-chested Warbling Finch?

The Bay-chested Warbling Finch is about 14 cm long and weighs around 12 g.

Where does the Bay-chested Warbling Finch live?

Its breeding range: South America: southeastern Brazil. It is most often recorded in Brazil.

When is the best time to see the Bay-chested Warbling Finch?

At the hotspots we track, it is recorded most in October and November (Southern Hemisphere).

Is the Bay-chested Warbling Finch endangered?

The IUCN Red List classifies the Bay-chested Warbling Finch as Least Concern.

What does the Bay-chested Warbling Finch eat?

Main food: Insects & other invertebrates.

What family is the Bay-chested Warbling Finch in?

It belongs to the family Tanagers & Allies (Thraupidae), order Passerines (Passeriformes).

At a glance

Length
14 cm
Weight
12 g
Habitat
Forest
Diet
Insects & other invertebrates
Lifestyle
Perches in trees
Migration
Resident (barely migrates)
Conservation
Least Concern
More measurements
Wing
64 mm
Tail
60 mm
Bill
13 mm
Tarsus
20 mm

Averages from the AVONET dataset; length from field guides where available.

Range

South America: southeastern Brazil

Breeding range, IOC World Bird List 15.2

Classification

Order
Passerines Passeriformes
Family
Tanagers & Allies Thraupidae
Genus
Castanozoster

More from the family Tanagers & Allies

PlushcapPlushcapCatamblyrhynchus diademaCoal-crested FinchCoal-crested FinchCharitospiza eucosmaBrown TanagerBrown TanagerOrchesticus abeilleiYellow-shouldered GrosbeakYellow-shouldered GrosbeakParkerthraustes humeralisHooded TanagerHooded TanagerNemosia pileataCherry-throated TanagerCherry-throated TanagerNemosia roureiBlue-backed TanagerBlue-backed TanagerCyanicterus cyanicterusWhite-capped TanagerWhite-capped TanagerSericossypha albocristataScarlet-throated TanagerScarlet-throated TanagerCompsothraupis loricataBlack-masked FinchBlack-masked FinchCoryphaspiza melanotis
Bay-chested Warbling Finch

Download illustration

Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from a reference photo by Gustavo Dallaqua. ↗

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