This species is classified as Near Threatened because it is thought to have a moderately small population which is declining throughout its range, mainly as a result of hunting and habitat degradation.
Sibley, C. G.; Monroe, B. L. 1990. Distribution and taxonomy of birds of the world. Yale University Press, New Haven, USA.
Treron australis, T. calvus, T. sanctithomae and T. pembaensis (Sibley and Monroe 1990, 1993) are retained as species contra Dowsett and Forbes-Watson (1993) who include calvus, sanctithomae and pembaensis as subspecies of T. australis. Gender agreement of T. calvus follows David and Gosselin (2002b).
BirdLife International. 2001. Threatened birds of Asia: the BirdLife International Red Data Book. BirdLife International, Cambridge, U.K.
Brazil, M. 2009. Birds of East Asia: eastern China, Taiwan, Korea, Japan, eastern Russia. Christopher Helm, London.
Gibbs, D.; Barnes, E.; Cox, J. 2001. Pigeons and doves: a guide to the pigeons and doves of the world. Pica Press, Robertsbridge, U.K.
Further web sources of information
Detailed species accounts from the Threatened birds of Asia: the BirdLife International Red Data Book (BirdLife International 2001).
Text account compilers
Benstead, P., Mahood, S., Taylor, J.
IUCN Red List evaluators
Butchart, S., Symes, A.
BirdLife International (2013) Species factsheet: Treron formosae. Downloaded from http://www.birdlife.org on 07/12/2013. Recommended citation for factsheets for more than one species: BirdLife International (2013) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 07/12/2013.
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.
|Current IUCN Red List category||Near Threatened|
|Family||Columbidae (Doves and pigeons)|
|Species name author||Swinhoe, 1863|
|Population size||Unknown mature individuals|
|Distribution size (breeding/resident)||40,400 km2|
|Links to further information|
|- Additional Information on this species|