Red-tailed Comet (Sappho) [XC273160]
by Franco Vushurovich from Potreros de Yala, Jujuy, Argentina (call)
Red-tailed Comet (Sappho sparganurus) [XC671428]
by Dante Buzzetti from La Siberia, Santa Cruz, Bolivia (call)
Subspecies
Genus sometimes merged into Lesbia. May be closely related to Black-tailed Trainbearer (Lesbia victoriae).
The following 2 subspecies are recognised:
sparganurus (Shaw, 1812) - Northern and central Bolivia; possibly also extreme southern Peru.
sapho (Lesson, R, 1828) - Southern Bolivia to northern and western Argentina (Jujuy and Salta south to Neuquén) and marginally into central-eastern Chile (Portillo Pass).