Family Monarch-flycatchers (Monarchidae)

Critically Endangered

Black-chinned Monarch (Symposiachrus boanensis)


French: Monarque de Boano German: Boanomonarch Spanish: Monarca de Boano

Monarcha trivirgata boanensis

van Bemmel

, 1939,



Has been treated as a subspecies of S. trivirgatus. Monotypic.


Boano I, off NW Seram, in S Moluccas.

Descriptive notes

16 cm. Small to medium-sized, black-and-white monarch. Has small white spot on side of forehead or bar across forehead; rest of head and upperparts, including upperwing and... read more


Song a clear “tjuuu-tjuuu” followed by a soft and prolonged buzzing trill fading after... read more


Remnant patches of dense, semi-evergreen secondary forest in gorges and valleys in foothills, to... read more

Food and feeding

Stomach of one specimen contained heteropteran bugs, beetles (Coleoptera), and larvae of small invertebrates. Occurs alone, in pairs or in... read more


Birds in full juvenile plumage, apparently together with parents, observed in Oct. No further information available.



Status and conservation

CRITICALLY ENDANGERED. Restricted-range species: present in Seram EBA. Very rare. First discovered in 1918, and not seen again until 1991; in survey in 1994, an estimated 5... read more

Recommended citation

Clement, P. & Sharpe, C.J. (2017). Black-chinned Monarch (Symposiachrus boanensis). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 17 November 2017).