Family Falcons, Caracaras (Falconidae)

Least Concern

Slaty-backed Forest-falcon (Micrastur mirandollei)


Taxonomy

French: Carnifex ardoisé German: Graurücken-Waldfalke Spanish: Halcón montés dorsigrís
Taxonomy:

Astur mirandollei

Schlegel

, 1862,

Suriname

.

Recent study indicated that this species is closest to M. semitorquatus, with M. buckleyi sister to this pair, all three forming a distinct clade#R. Birds from NW of range (Costa Rica to W Colombia) occasionally treated as separate race, extimus, but not normally recognized. Monotypic.

Distribution:

Costa Rica, Panama and Colombia S down W slope of Andes to NW Ecuador (Esmeraldas), and E through Amazonia to the Guianas and NC Brazil (NE Pará) and S to C Bolivia; also E Brazil (Espírito Santo).

Descriptive notes

40–45 cm; male c. 420 g, female c. 500–556 g; wingspan 65–71 cm. Slate-grey above, darker on crown and tail, but paler on cheeks, with white to cream-... read more

Voice

Mainly heard around dusk or dawn (sometimes well before first light): chanting series of 8–13... read more

Habitat

Lowland tropical rainforest, often in fairly undisturbed parts and frequently associated with... read more

Food and feeding

Very little information available. Feeds on birds, e.g. Dusky-faced Tanager (Mitrospingus cassinii), lizards and snakes. Hunts in... read more

Breeding

No information available. Presumably nests in tree cavities, as do congeners.

Movements

Presumably sedentary, although juveniles might be expected to wander to some extent.

Status and conservation

Not globally threatened (Least Concern). CITES II. Status very poorly known, perhaps in part because so easily confused with other species. Widely distributed, but everywhere... read more

Recommended citation

Bierregaard, R.O., Jr & Kirwan, G.M. (2019). Slaty-backed Forest-falcon (Micrastur mirandollei). 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 https://www.hbw.com/node/53201 on 23 August 2019).