Population
Estimated population is 2,500 - 9,999 (2010) and decreasing.
Status VU
Forest destruction, degradation and fragmentation through widespread agricultural encroachment by shifting cultivators is the main threat.
For more information see BirdLife International Species Factsheet.
Voice
Usually silent. Gives an explosive 'poo-poo' in alarm. A (especially young birds) prolonged 'hissing' contact note.
Javan Scops Owl (Otus angelinae) [XC141907]
by Frank Lambert from Gunung Gede National Park, Java, Indonesia (call, song)
Javan Scops Owl (Otus angelinae) [XC386951]
by Chi-Hsuan Shao from Gede Pangrango National Park, West Java Province, Java, Indonesia (call)
Subspecies
Probably forms superspecies with Rajah Scops-Owl (Otus brookii). Sometimes treated as conspecific with Rajah Scops-Owl (Otus brookii) or with Mountain Scops-Owl (Otus spilocephalus) or, alternatively, as including subspecies vandewateri of Mountain Scops-Owl (Otus spilocephalus), but differs in morphology and also in far less vocal habits.
No subspecies.
Similar Species
Sunda Scops Owl (Otus lempiji) which is slightly larger with generally greyer facial disc, buffy eyebrows, brown or orange iris and different call.
References
See References.