Population
Estimated population is 250 - 999 (2010) and decreasing.
Status CR
Destruction and degradation of Atlantic forect due to logging and conversion to sugarcane plantations and pastureland is the main threat.
For more information see BirdLife International Species Factsheet.
Voice
An uncharacteristic peeping sequence 'djü, djü'. Sometimes a sharper and faster 'ürürüt, ürürüt' and an inconspicuous 'tchüp'. Occasionally fast 'sweek! sweek-a-dee-deek'.
Alagoas Tyrannulet (Phylloscartes ceciliae) [XC697435]
by Mateus Gon\u00e7alves Santos from Reserva Biol\u00f3gica de Pedra Talhada,Quebrangulo,Alagoas, Brazil (song)
Alagoas Tyrannulet (Phylloscartes ceciliae) [XC130113]
by Dante Buzzetti from Bonito, state of Pernambuco, Brazil (call, song)