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Taxonomic note

Eight species, Hypsipetes affinis, H. longirostris, H. mysticalis, H. harterti, H. aureus, H. platenae, H. chloris and H. lucasi have been moved from the genus Thapsinllas (del Hoyo and Collar 2016) following a comprehensive phylogeny of the bulbuls (Shakya and Sheldon 2017). All were previously lumped as Alophoixus affinis following Sibley and Monroe (1990, 1993).

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.
Handbook of the Birds of the World and BirdLife International. 2019. Handbook of the Birds of the World and BirdLife International digital checklist of the birds of the world. Version 4. Available at: https://datazone.birdlife.org/userfiles/file/Species/Taxonomy/HBW-BirdLife_Checklist_v4_Dec19.zip.
Shakya, S. B., & Sheldon, F. H. 2017. The phylogeny of the world's bulbuls (Pycnonotidae) inferred using a supermatrix approach. Ibis 159(3): 498-509.
Sibley, C.G. and Monroe, B.L. 1990. Distribution and Taxonomy of Birds of the World. Yale University Press, New Haven, USA.
Sibley, C.G. and Monroe, B.L. 1993. A supplement to 'Distribution and Taxonomy of Birds of the World'. Yale University Press, New Haven, USA.

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:   .

Recommended citation
BirdLife International (2024) Species factsheet: Obi Golden Bulbul Hypsipetes lucasi. Downloaded from https://datazone.birdlife.org/species/factsheet/obi-golden-bulbul-hypsipetes-lucasi on 29/11/2024.
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 29/11/2024.