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 is extremely large, and hence does not 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.
Population justification
The global population is estimated to number 2 million mature individuals (Partners in Flight 2019).
Trend justification
The population is thought to be stable (Partners in Flight 2019).
Text account compilers
Hermes, C.
Contributors
Wheatley, H., Palmer-Newton, A., Butchart, S. & Ekstrom, J.
Recommended citation
BirdLife International (2024) Species factsheet: Brown Jay Cyanocorax morio. Downloaded from
https://datazone.birdlife.org/species/factsheet/brown-jay-cyanocorax-morio on 18/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 18/12/2024.