Other Scientific Names
Muscisaxicola cinerea [BirdLife International (2004)], Muscisaxicola cinerea [Sibley and Monroe (1990, 1993)], Muscisaxicola cinerea [Stotz et al. (1996)]
Cinereous Ground Tyrant (Muscisaxicola cinereus) [XC225852]
by id from Marcapomacocha, Lima, Peru (call)
Subspecies
Formerly considered conspecific with Plain-capped Ground-tyrant (Muscisaxicola alpinus) by some authors.
The following 2 subspecies are recognised:
cinereus Philippi & Landbeck, 1864 - Breeds Peru (southern Puno), Bolivia, northern Chile (Coquimbo south to Talca) and western Argentina (Mendoza); southern populations migrate north.
argentinus Hellmayr, 1932 - Andes of north-western Argentina (Jujuy to Catamarca and Tucumán). Breeds north-western Argentina (Jujuy south to Catamarca); southern populations migrate north.