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Pearl-bellied White-eye Zosterops grayi
BirdLife is updating this factsheet for the 2016 Red List
Please email us with any relevant information

This species has a tiny range, being restricted to a single island, where it is common. It is likely to be able to withstand some habitat degradation, but would be under severe threat if rates of habitat clearance increased. It is currently considered Near Threatened.

Taxonomic source(s)
Sibley, C. G.; Monroe, B. L. 1990. Distribution and taxonomy of birds of the world. Yale University Press, New Haven, USA.

Distribution and population
Zosterops grayi is restricted to the Banda Sea Islands Endemic Bird Area, Indonesia, where it occurs on Kai Besar only. It is moderately common.

Population justification
The population size of this species has not been quantified, but it is described as moderately common in all wooded habitats.

Trend justification
The population is suspected to be in decline owing to ongoing habitat destruction and fragmentation.

This species inhabits a variety of forest and scrub habitats.

This species may be vulnerable to forest loss within its small range, although little is known of the current status of habitats on Kai Besar.

Conservation Actions Underway
None are known.

Conservation Actions Proposed
Monitor population and habitat trends on Ka Besar. Conduct ecological studies to determine habitat requirements and response to forest disturbance or fragmentation. Protect significant areas of forest on Kai Besar in community-led multiple use areas.

BirdLife International. 2001. Threatened birds of Asia: the BirdLife International Red Data Book. BirdLife International, Cambridge, U.K.

del Hoyo, J.; Elliott, A.; Christie, D. 2008. Handbook of the Birds of the World, vol. 13: Penduline-tits to Shrikes. Lynx Edicions, Barcelona, Spain.

Further web sources of information
Detailed species accounts from the Threatened birds of Asia: the BirdLife International Red Data Book (BirdLife International 2001).

Explore HBW Alive for further information on this species

Search for photos and videos, and hear sounds of this species from the Internet Bird Collection

Text account compilers
Benstead, P., Gilroy, J., Khwaja, N., Mahood, S. & Symes, A.

Recommended citation
BirdLife International (2016) Species factsheet: Zosterops grayi. Downloaded from on 21/10/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from on 21/10/2016.

This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.

To provide new information to update this factsheet or to correct any errors, please email BirdLife

To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.

Key facts
Current IUCN Red List category Near Threatened
Family Zosteropidae (White-eyes)
Species name author Wallace, 1864
Population size Unknown mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 560 km2
Country endemic? Yes
Links to further information
- Additional Information on this species