Rufous-naped Ground Tyrant (Muscisaxicola rufivertex) [XC139695]
by David Geale from Rio Chonta, 12km ne of Cajamarca, Cajamarca, Peru (call)
Rufous-naped Ground Tyrant (Muscisaxicola rufivertex) [XC15585]
by Dan Lane from Farellones, Santiago, Chile (call)
Subspecies
Subspecies occipitalis possibly a separate species, may occur together with pallidiceps (in non-breeding season) and no intermediates between them are known. Further research is required.
The following 4 subspecies are recognised:
occipitalis Ridgway, 1887 - Peru (except south-west) and north-western Bolivia (La Paz, Cochabamba). Considered by some authors to be a distinct species, Chestnut-naped Ground-tyrant (Muscisaxicola occipitalis).
pallidiceps Hellmayr, 1927 - South-western Peru (Arequipa south to Tacna), northern Chile (Arica south to Antofagasta), south-western Bolivia and north-western Argentina.
rufivertex d'Orbigny & Lafresnaye, 1837 - Breeds in mountains of Chile (Atacama south to Colchagua) and western Argentina (Sierra de Mendoza and Córdoba).
achalensis Nores & Yzurieta, 1983 - Central Argentina (Sierras de Córdoba).