Family Ovenbirds (Furnariidae)

Near Threatened

Hudson's Canastero (Asthenes hudsoni)


French: Synallaxe de Hudson German: Ockerbrustcanastero Spanish: Canastero pampeano

Synallaxis hudsoni

P. L. Sclater

, 1874,

Conchitas, Buenos Aires, Argentina


See A. anthoides. Monotypic.


E Argentina (Santa Fe and Entre Ríos S to Río Negro and S Buenos Aires), extreme SE Brazil (SE Rio Grande do Sul) and Uruguay.

Descriptive notes

18 cm. Conspicuously streaked, long-billed canastero. Has narrow dull pale buff supercilium, rest of face sandy brownish; crown and upperparts sandy brown with prominent... read more


Song a short ascending trill; call undescribed.


Southern temperate grassland; tall wet grass (e.g. Paspalum quadrifarium) and sedges... read more

Food and feeding

Reported dietary items are Lepidoptera larvae, Coleoptera, shield-bugs (Pentatomidae), Orthoptera and Hymenoptera. Solitary or in pairs.... read more


Season during austral spring-summer; eggs in Nov–Dec and nestlings in Nov. Presumably monogamous. Nest extremely well concealed, a... read more



Status and conservation

Not globally threatened. Uncommon to locally fairly common. Restriction to regions with wetlands naturally limits its population size. Potentially vulnerable to drainage,... read more

Recommended citation

Remsen, J.V., Jr (2019). Hudson's Canastero (Asthenes hudsoni). 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 13 December 2019).