Grey-headed Spinetail (Cranioleuca semicinerea) [XC514654]
by Dante Buzzetti from Parque Nacional Cavernas do Perua\u00e7u, Janu\u00e1ria, Minas Gerais, Brazil (song, half song)
Grey-headed Spinetail (Cranioleuca semicinerea) [XC427260]
by JAYRSON ARAUJO DE OLIVEIRA from Geoss\u00edtio ponte de pedra, Nova Olinda, Cear\u00e1, Brazil (canto)
Subspecies
Relationships within genus uncertain. Plumage differences of proposed subspecies pallidiceps (from Ceará), described as paler throughout, and goyana (from southern Goiás), said to have darker crown and auriculars and more conspicuous supercilium, evidently represent individual variation.