Family Falcons, Caracaras (Falconidae)

Least Concern

Black-thighed Falconet (Microhierax fringillarius)


French: Fauconnet moineau German: Finkenfälkchen Spanish: Falconete indonesio

Falco fringillarius


, 1824,

“Indes” = Sumatra


Possibly forms a species-group with M. caerulescens; sometimes treated as race of latter, but plumage distinct, with no intergradation recorded. Monotypic.


Extreme S Myanmar (S Tenasserim) and S Thailand through Peninsular Malaysia to Sumatra, Borneo, Java and Bali.

Descriptive notes

14–17 cm; 28–55 g; wingspan 27–34 cm. Small falconet with pointed wings and square-ended tail that is often spread, similar to allopatric and longer-tailed... read more


Little information; a hard, high-pitched "shiew" and fast-repeated, high chipping "... read more


Open primary and secondary forest, forest edge and clearings from sea-level up to 1500 m (on... read more

Food and feeding

Preys mainly on large insects, including butterflies, moths, cicadas and termite alates; also birds, including Lonchura mannikin... read more


Laying Nov–Dec in Borneo; normally Feb–Mar in Peninsular Malaysia, Sumatra and Java; three fledglings in Aug, in Malaysia;... read more



Status and conservation

Not globally threatened (Least Concern). CITES II. Fairly common to common, e.g. in reserve of Padang Sugihan (S Sumatra) in mid 1980s. Considered fairly common in S Thailand... read more

Recommended citation

Clark, W.S. & Kirwan, G.M. (2020). Black-thighed Falconet (Microhierax fringillarius). 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 1 April 2020).