Andean Duck (Oxyura ferruginea) [XC257288]
by Robert S. Ridgely from Chimborazo: Laguna de Colta, Ecuador (call, calls)
Andean Duck (Oxyura ferruginea) [XC50898]
by Jonas Nilsson from Villa Pehuenia-laguna Costa Azul, Neuquen, Argentina (call)
Subspecies
Not recognised by BirdLife International. Ruddy Duck (Oxyura jamaicensis) and Andean Duck (Oxyura ferruginea) have been lumped into Oxyura jamaicensis (2005).
Considered by some authors to be a subspecies of Ruddy Duck (Oxyura jamaicensis).
The following 2 subspecies are recognised:
ferruginea (Eyton, 1838) - Colombia to southern Cone.
andina Lehmann, 1946 - Andes of central and northern Colombia.