Swifts (Apodidae)

Sooty Swift (Cypseloides fumigatus) - HBW 5, p. 420

French: Martinet fuligineux German: Rauchsegler Spanish: Vencejo Negruzco

Taxonomy: Hemiprocne fumigata Streubel, 1848, Brazil.
Forms superspecies with C. niger, C. lemosi and C. rothschildi. Sometimes considered conspecific with C. rothschildi, and possibly C. cryptus. Monotypic.

Distribution: E Bolivia (Santa Cruz) through E Paraguay (Oriente) and extreme NW Argentina (Misiones) to SE Brazil (Espírito Santo S to Rio Grande do Sul).