Swifts (Apodidae)

Rothschild's Swift (Cypseloides rothschildi) - HBW 5, p. 420

French: Martinet de Rothschild German: Rothschildsegler Spanish: Vencejo Parduzco
Other common names: Giant/Great Swift

Taxonomy: Cypseloides rothschildi Zimmer, 1945, Tucumán, Argentina.
Forms superspecies with C. niger, C. lemosi and C. fumigatus. Sometimes considered conspecific with C. fumigatus, and possibly C. cryptus. Older name for species, “C. major”, is preoccupied by a synonym of C. senex. Monotypic.

Distribution: NW Argentina, in Salta, Tucumán and Santiago del Estero. Speculated to occur in Bolivia and Peru; single record from Cuzco, Peru.