South-western Venezuela (western Barinas, Táchira), eastern Colombia (locally to near base of Andes), eastern Ecuador, eastern Peru, western Brazil and northern Bolivia (south to La Paz, Cochabamba and northern Santa Cruz). Considered by some authors to be a subspecies of Sibilant Sirystes (Sirystes sibilator).
White-rumped Sirystes (Sirystes albocinereus) [XC61440]
by Andrew Spencer from Yasun\u00ed Research Station, Parque Nacional Yasun\u00ed, Orellana, Ecuador (song)
White-rumped Sirystes (Sirystes albocinereus) [XC258952]
by John V. Moore from Sucumb\u00edos: 'La Selva Jungle Lodge', n bank R\u00edo Napo, Ecuador (call, song)
Subspecies
No subspecies.
Considered by some authors to be a subspecies of Sibilant Sirystes (Sirystes sibilator).