Justification of Red List Category
This species has an extremely large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (extent of occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend appears to be stable, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size has not been quantified, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.
The global population size has not been quantified, but the species is reported to be reasonably common in much of its range (del Hoyo et al. 1999). The European population is estimated at 50-250 pairs, which equates to 100-500 mature individuals (BirdLife International in prep.). The European population is only a small proportion (1%) of the global population so extrapolating the European population figures to a global scale is not appropriate.
The population is suspected to be stable in the absence of evidence for any declines or substantial threats. In Europe the population size is estimated to be stable (BirdLife International in prep.).
The threats to this species are not well known (Holt et al. 1999). Pesticides may be a potential danger to this species (König et al. 2008).
Conservation actions underway
CITES Appendix II, Raptors MOU Category 2.
Conservation actions needed
Research is needed to estimate population size for this species, and to identify any additional threats.
Text account compilers
Ekstrom, J., Butchart, S. & Ashpole, J
BirdLife International (2022) Species factsheet: Otus brucei. Downloaded from http://www.birdlife.org on 16/05/2022. Recommended citation for factsheets for more than one species: BirdLife International (2022) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 16/05/2022.