Hawks and Eagles (Accipitridae)

Rufous-thighed Hawk (Accipiter erythronemius) - HBW 2, p. 159

French: Épervier à cuisses rousses German: Rotschenkelsperber Spanish: Gavilán Muslirrufo

Taxonomy: Nisus vel Accipiter erythronemius Kaup (ex G. R. Gray MS), 1850, Bolivia.
Often considered race of A. striatus, with which forms superspecies, along with A. chionogaster and A. ventralis; group split on grounds of differences in morphology, ecology and probably also behaviour. Monotypic.

Distribution: S Brazil (S from Mato Grosso and Bahia) to Uruguay, and SE Bolivia (Santa Cruz to Tarija) through Chaco of Paraguay to N Argentina (La Rioja & Córdoba).