Family New World Blackbirds (Icteridae)

Least Concern

Brown-and-yellow Marshbird (Pseudoleistes virescens)


French: Carouge dragon German: Drachenstärling Spanish: Tordo pechiamarillo

Agelaius virescens


, 1819,

Buenos Aires, Argentina




Extreme S Paraguay (Ñeembucú)#R and SE Brazil (Santa Catarina and Rio Grande do Sul) S to EC Argentina (E from E San Luis, S to Buenos Aires, E La Pampa and NE Río Negro) and Uruguay.

Descriptive notes

Male average 24 cm, 79·6 g; female average 72·9 g. Head to upper breast, upperparts and most of wing are deep brown to olive-brown, lesser upperwing-coverts and... read more


Noisy. Song a mixture of call notes, a series of screechy chattering notes mixed with ascending or... read more


Marshes and wet grasslands, pastures, even agricultural fields and roadsides; sometimes in treeless... read more

Food and feeding

Insects and other arthropods, small vertebrates, rarely seeds. Arthropod prey include spiders (Araneae), particularly wolf spiders (... read more


Season Aug–Dec in Argentina; starts to nest earlier than sympatric icterids, some fledglings by end of Sept. Co-operative breeder,... read more


Apparently non-migratory, but flocks move considerable distances in non-breeding season. Possibly... read more

Status and conservation

Not globally threatened. Common and rather widespread, particularly in EC Argentina and Uruguay. Drainage of wetlands may have eliminated some areas of suitable habitat in... read more

Recommended citation

Fraga, R. (2019). Brown-and-yellow Marshbird (Pseudoleistes virescens). 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 7 December 2019).