Andean Teal (Anas andium) [XC45478]
by Ian Davies from Laguna La Cubierta (origen Quebrada San Pacho), PN Los Nevados, Risaralda, Colombia (call, calls (females'))
Andean Teal (Anas andium) [XC257279]
by John V. Moore from Cotopaxi: Laguna de Limpiopungo, Ecuador (call, perch calls, take-off calls)
Subspecies
Anas flavirostris (Sibley and Monroe 1990, 1993; Stotz et al. 1996) has been split into Yellow-billed Teal (Anas flavirostris) and Andean Teal (Anas andium) by SACC (2008).
Considered by some authors to be a subspecies of Yellow-billed Teal (Anas flavirostris).
The following 2 subspecies are recognised:
altipetens (Conover, 1941) - Eastern Andes of Colombia to north-western Venezuela. Considered by some authors to be a subspecies of Yellow-billed Teal (Anas flavirostris).
andium (Sclater & Salvin, 1873) - Colombia, Ecuador. Considered by some authors to be a subspecies of Yellow-billed Teal (Anas flavirostris).