Kai monarch
Conservation status
Near Threatened  (IUCN 3.1)[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Passeriformes
Family:	Monarchidae
Genus:	Symposiachrus
Species:	S. leucurus
Binomial name
Symposiachrus leucurus (G.R. Gray, 1858)
Synonyms
Monarcha leucurus Symposiarchus leucurus

The Kai monarch (Symposiachrus leucurus), or white-tailed monarch, is a species of bird in the family Monarchidae. It is endemic to the Kai Islands. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.

Taxonomy and systematics

This species was originally described in the genus Monarcha until moved to Symposiachrus in 2009.^[2] Some authorities have considered both the Tanahjampea monarch and the Buru monarch to be subspecies of the white-tailed monarch.