Data Zone
Justification of Red List category
Although this species may have a small range, it is not believed to approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence under 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 size has not been quantified, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (under 10,000 mature individuals with a continuing decline estimated to be over 10% in ten years or three generations, or with a specified population structure). The population trend is thought to be stable, hence the species does not approach the thresholds for Vulnerable under the population trend criterion (over 30% decline over ten years or three generations). For these reasons the species is evaluated as Least Concern.
Population justification
The global population size has not been quantified, but the species has been been described as common in its range in a range of habitats including heavily degraded forests and mixed plantations (Eaton et al. 2021). While tree cover is estimated to have declined by 15.6% within its mapped range over the past 10 years (Global Forest Watch 2022, using Hansen et al. [2013] data and methods disclosed therein), this species' habitat tolerances mean the population trend overall is thought to be stable.
Trend justification
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Text account compilers
Rutherford, C.A.
Recommended citation
BirdLife International (2024) Species factsheet: Sula Golden Bulbul Hypsipetes longirostris. Downloaded from
https://datazone.birdlife.org/species/factsheet/sula-golden-bulbul-hypsipetes-longirostris on 26/12/2024.
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 26/12/2024.