• Summary
• Text account
• Data table and detailed info
• Distribution map
• Reference and further resources

Justification of Red List category
This species has a very 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). Despite the fact that the population trend appears to be decreasing, the decline is not believed to be sufficiently rapid to 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.

Population justification
The global population size has not been quantified, but the species is described as common to locally abundant (Coates and Bishop 1997).

Trend justification
The population is suspected to be in decline owing to ongoing habitat destruction and fragmentation, as well as an unknown level of trapping pressure.

The species may be affected by some levels of trapping pressure. A 2018 survey of bird ownership involving over 3,000 households in all six of Java’s provinces for example estimated that 50,687 ± 35,119 individuals are currently kept in Java alone (Marshall et al. 2020). This species is also threatened by ongoing degradation and loss of its forest habitats (Craig and Feare 2020; Global Forest Watch 2021). 

Text account compilers
Fernando, E.

Contributors
Butchart, S., Ekstrom, J. & Marshall, H.

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Recommended citation
BirdLife International (2024) Species factsheet: Grosbeak Starling Scissirostrum dubium. Downloaded from https://datazone.birdlife.org/species/factsheet/grosbeak-starling-scissirostrum-dubium 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.