Family Tanagers (Thraupidae)

Least Concern

Bay-chested Warbling-finch (Castanozoster thoracicus)


French: Tangara à poitrine baie German: Maronenbrust-Finkentangare Spanish: Monterita torácica

Fringilla thoracica


, 1835,



See Genus Castanozoster; differs from current membership of Poospiza most obviously in its lack of a supercilium. Monotypic.


Coastal mountains along Minas Gerais–Rio de Janeiro border, and highlands from E São Paulo and Paraná S to NE Rio Grande do Sul, in SE Brazil.

Descriptive notes

13·5 cm; 11–12·8 g. A dainty warbling-finch with rather petite bill with gently curved culmen. Male has grey head, large and bold white crescent below eye... read more


Song a pleasant and sweet series of three or so repeated elements, elements separated by a short... read more


Montane-forest edge and shrubby situations or open woodland, as well as clearings with scattered... read more

Food and feeding

Small invertebrates; also fruit, such as the melastome Leandra sublanata. Gleans invertebrates from foliage. Forages in pairs and... read more


Breeding reported in Jan. No other information.



Status and conservation

Not globally threatened. Uncommon to locally fairly common. Occurs in various parks and preserves in Atlantic Forest zone of Brazil, including Itatiaia National Park, where... read more

Recommended citation

Jaramillo, A. (2019). Bay-chested Warbling-finch (Castanozoster thoracicus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 19 May 2019).