Population
Estimated population is unknown (2010) and decreasing.
Status NT
Probably habitat loss through clearance for agriculture and predation by introduced black rats Rattus rattus and feral cats are the main threats.
For more information see BirdLife International Species Factsheet.
Bougainville Bush Warbler (Horornis haddeni) [XC543567]
by Jan-Uwe Schmidt from Aiope headwaters, Kunua District, Autonomous Region of Bougainville, Papua New Guinea (song)
Bougainville Bush Warbler (Horornis haddeni) [XC41112]
by Phil Gregory from Panguna, Bougainville Island, Solomon Islands, Papua New Guinea (song)