Family Falcons, Caracaras (Falconidae)

Least Concern

Collared Forest-falcon (Micrastur semitorquatus)


French: Carnifex à collier German: Kappenwaldfalke Spanish: Halcón montés collarejo

Sparvius semi-torquatus


, 1817,



Recent study indicated that this species is closest to M. mirandollei, with M. buckleyi sister to this pair, all three forming a distinct clade#R. In the past, sometimes considered to include M. buckleyi. Two subspecies recognized.

Subspecies and Distribution
  • M. s. naso (Lesson, 1842) – NW & NE Mexico (from Sinaloa and Tamaulipas) S through Central America to N & W Colombia, W Ecuador and extreme NW Peru (Tumbes)#R.
  • M. s. semitorquatus (Vieillot, 1817) – E Colombia E to the Guianas, and S through E Ecuador, E Peru, N & E Bolivia and Brazil to Paraguay and N Argentina.
  • Descriptive notes

    46–58 cm; male 479–646 g, female 660–940 g; wingspan 72–86 cm. Sooty black above, with black crescents extending down from crown onto sides of head;... read more


    Most common vocalization, given by both sexes often in duet, is a nasal, hollow and far-carrying... read more


    Lowland tropical rainforest, typically seen at forest edge; second-growth forest, especially with... read more

    Food and feeding

    Mammals and birds, including large species, e.g. chachalacas, toucans, cocks-of-the-rock, caciques, Great Curassow (Crax rubra),... read more


    Virtually all data from Petén (Guatemala), where lays in Feb–Mar (early to mid dry season), hatching mid Apr to mid May and... read more


    Generally considered to be sedentary, but there is single record from S USA, in Texas, in Jan... read more

    Status and conservation

    Not globally threatened (Least Concern). CITES II. Not uncommon over vast range; secretive nature presumably reduces threat from hunters, thus deforestation is greatest... read more

    Recommended citation

    Bierregaard, R.O., Jr, Kirwan, G.M. & Boesman, P. (2020). Collared Forest-falcon (Micrastur semitorquatus). 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 24 February 2020).