Family Vireos (Vireonidae)

Least Concern

Rio de Janeiro Greenlet (Hylophilus thoracicus)


French: Viréon à plastron German: Rio-de-Janeiro-Vireo Spanish: Verdillo de Río de Janeiro

Hylophilus thoracicus


, 1822,

Rio de Janeiro, Brazil


Usually treated as conspecific with H. griseiventris (which see). Birds from mountains of S Bahia may represent a further, hitherto undescribed species, based partly on larger size and also suspected vocal differences. Monotypic.


E Brazil (S Bahia, SE Minas Gerais, Espírito Santo, Rio de Janeiro and NE São Paulo).

Descriptive notes

12–13 cm; 13·5–14 g. Adult has forehead ochraceous-olive, crown dull greyish olive with faint green edgings, face, area around eye and ear-coverts tinged... read more


Song basically identical to that of formerly conspecific H. griseiventris, being a series... read more


Humid forest and tall second growth, including restinga; also in scrub and low woodland,... read more

Food and feeding

Diet basically unknown, beyond insects and their larvae, and small fruits. Forages actively in middle levels and canopy, often while... read more


No information.


Apparently sedentary.

Status and conservation

Not globally threatened (Least Concern). Restricted-range species: confined to the Atlantic forest lowlands EBA. Not well known, but it appears to be at least locally common... read more

Recommended citation

Brewer, D. & Kirwan, G.M. (2019). Rio de Janeiro Greenlet (Hylophilus 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 21 April 2019).