Ovenbirds (Furnariidae)

Little Thornbird (Phacellodomus sibilatrix) - HBW 8, p. 313

French: Synallaxe siffleur German: Zwergbündelnister Spanish: Espinero Chico
Other common names: Doering’s Thornbird

Taxonomy: Phacellodomus sibilatrix P. L. Sclater, 1879, no locality = presumably Córdoba, Argentina.
Considered by some authors to form a superspecies with P. rufifrons, but the two overlap considerably in distribution, and differ in body size and nest structure. Monotypic.

Distribution: Extreme S Bolivia (SW Santa Cruz), W Paraguay, N Argentina (S to E La Rioja, N San Luis, C Córdoba and N Buenos Aires) and SW Uruguay.