Spot-billed Ground Tyrant (Muscisaxicola) [XC258914]
by John V. Moore from Pichincha: 2 km E of Calacal\u00ed, Ecuador (flight call, display flight calls)
Spot-billed Ground Tyrant (Muscisaxicola maculirostris) [XC696431]
by id from Los Andes, Los Andes, Valpara\u00edso, Chile (song)
Subspecies
Usually considered closely allied with Little Ground-Tyrant (Muscisaxicola fluviatilis), but recent phylogenetic work does not suggest so close a relationship.
The following 3 subspecies are recognised:
niceforoi Zimmer, JT, 1947 - Northern part of eastern Andes of Colombia.
rufescens von Berlepsch & Stolzmann, 1896 - Ecuador.
maculirostris d'Orbigny & Lafresnaye, 1837 - Breeds Peru, Bolivia, Chile and western Argentina (Jujuy south to Santa Cruz); southern populations migrate north.