Sunda Scops Owl (Otus lempiji) [XC742513]
by Okamoto Keita Sin from BirdLife International (Asia) Office, Singapore (song)
Sunda Scops Owl (Otus lempiji) [XC40230]
by David Marques from Palangka Raya town, Central Kalimantan, Indonesia (song)
Subspecies
Probably forms superspecies with Mentawai Scops-Owl (Otus mentawi), Indian Scops-Owl (Otus bakkamoena), Collared Scops-Owl (Otus lettia), Japanese Scops-Owl (Otus semitorques), Palawan Scops-Owl (Otus fuliginosus) and Luzon Lowland Scops-Owl (Otus megalotis). Frequently treated as subspecies of Indian Scops-Owl (Otus bakkamoena), and sometimes considered to include as subspecies or to be conspecific with Collared Scops-Owl (Otus lettia), but vocalizations distinct. Subspecies cnephaeus apparently differs vocally, may be separate species. Subspecies condorensis doubtfully distinct from nominate.