Barred Forest Falcon

The Barred Forest Falcon is a stealthy, forest-dwelling raptor found from Mexico south through much of tropical South America. Despite the name it is not a true falcon behaviorally - it hunts by ambush from low perches inside dense understory rather than open-air pursuit.

It is heard far more often than seen, giving a rhythmic, far-carrying "gow-gow-gow" song at dawn and dusk. Two color morphs exist, grey and rufous-brown, both showing fine pale barring below.

Because it lives its whole life inside closed-canopy forest, its short wings and long tail are the key feather clues - built for tight turns, not speed.

Recognizing the feathers

• Flight feathers are short, broad, and strongly rounded at the tip - an adaptation for maneuvering between trunks and vines rather than fast open flight.
• Tail feathers are long relative to the wing, boldly barred with alternating dark and pale bands, aiding balance in dense cover.
• Body feathers show fine, even barring on a whitish to buffy ground color, with darker grey-brown upperside feathers.
• Shafts are pale on underside feathers, dark on upperside feathers.

Similar species

• Very similar to Lined and Cryptic Forest-Falcons; barring on Barred Forest Falcon tends to be slightly bolder and more widely spaced than the finer barring of Lined Forest Falcon.
• Differs from open-country falcons (e.g., kestrels) by proportionally shorter, more rounded wingtips rather than pointed ones.

Plumage

Adults occur in two morphs: a grey morph with slate-grey upperparts and fine blackish barring on white underparts, and a rarer rufous-brown morph. Bare facial skin and legs are yellow-orange, contrasting with the barred body plumage.

Juveniles are browner overall with more diffuse, buffier barring below and duller bare parts.

Molt is gradual and not tightly seasonal in this tropical resident, occurring over an extended period rather than a single sharp molt window.

Habitat & range

Found from northern Mexico through Central America and much of tropical South America, including the Amazon basin, in humid lowland and foothill forest, forest edge, and secondary growth.

It is a year-round resident throughout its range, not undertaking long migrations, though local movements in response to food availability are possible.

Behavior & field notes

Hunts by sitting quietly on a low to mid-level perch, watching for lizards, small birds, and large insects, then dashing out in a short pursuit through tangled vegetation.

Its voice - a loud, evenly paced series of barking notes - is the most reliable way to detect its presence in the field, since the bird itself stays hidden in foliage.

Nests in tree cavities or old stick nests of other birds. A short, barred body feather or a rounded flight feather found on the forest floor is a strong clue this species, or one of its close relatives, has been in the area.