Barred Forest Falcon

Identification

The barred forest falcon is a compact bird of prey measuring 31 to 39 cm in length, with females notably larger than males. Most subspecies display dark slate-gray upperparts with a distinctive white-tipped tail bearing three to six narrow white bars. The throat is pale gray, while the underparts and underwing coverts are white, finely barred with black or dark gray. The upper breast is darker gray, and the primary remiges are dark brownish-gray with off-white bars on the inner webs. One subspecies, M. r. zonothorax, occurs in a brown morph where the upperparts, head, and chest are rufous-brown instead of gray, and the nominate subspecies M. r. ruficollis appears only in this rufous-brown form. Look for cream to light orange-brown eyes, a black bill with yellow at the base of the lower mandible, and yellow cere, lores, orbit, and legs.

Range & Habitat

This forest falcon occurs from southern Mexico through Central America and across mainland South America, with populations absent only from Chile and Uruguay. Six subspecies are distributed across distinct regions, from San Luis Potosí in Mexico south through Central America, then across the northern Andes, Amazon Basin, and into southern Brazil, Paraguay, and Argentina. Barred forest falcons primarily inhabit mature upland forest. In Central America they are generally restricted to mature tropical forest, while in South America they occupy diverse forest types including secondary forest, gallery forest, tidal swamp forest, semideciduous forest, and forest edges. They prefer primary or mature secondary forest and avoid heavily human-influenced habitats, though in some regions like Acre, Brazil, they favor disturbed but still forested areas including bamboo and seasonally drier forest on rocky outcrops.

Behaviour & Diet

Barred forest falcons are year-round residents throughout their range. They are versatile hunters with a diverse diet that includes lizards, small birds, rodents, marsupials, bats, snakes, and frogs. Like Accipiter hawks, they characteristically hunt by perching quietly on tree branches and waiting for prey to appear, then launching brief, swift aerial pursuits to ambush their victims. They also employ alternative hunting strategies including chasing prey on foot, following army ant swarms, flushing prey from cover, and robbing nests. They have even been recorded snatching animals from traps during research activities.

Breeding seasons vary geographically: mid-April to early August in Guatemala, early June in Amazonian Brazil, and October in Colombia. These falcons nest in tree cavities, almost always natural ones though sometimes using holes excavated by woodpeckers, typically positioned 10 to 30 meters above ground. They exhibit high nest territory and mate fidelity, with clutches of two to six eggs. The female incubates alone for 33 to 35 days, with fledging occurring around 38 days after hatching. Both parents provision nestlings, though males contribute approximately two-thirds of the food.

Best Time & Places to See It

Barred forest falcons inhabit a vast range across tropical and subtropical Latin America, making them accessible to travelers visiting mature forests from Mexico through the Amazon Basin and into South America. The species is easiest to locate in well-preserved forest reserves and national parks containing primary or mature secondary forest. Breeding season timing varies by location: search in Central America from April through August, in Amazonian regions from June onward, and in Colombian montane areas during October. Since these falcons are year-round residents, patient observers may encounter them any time of year in suitable habitat, though their shy, forest-interior habits make them challenging to spot.

Photography Tips

Photographing barred forest falcons requires patience and knowledge of their perching behavior. Position yourself quietly near productive forest habitat early in the day when hunting activity peaks. Since they typically hunt from elevated perches, scanning the mid- to upper-canopy levels will improve your chances of locating them. Their distinctive vocalizations—a dog-like "keyak" or "ark" call and a bouncing-ball series pattern—can help locate birds in dense forest. Use longer telephoto lenses (400mm or more) to capture images from a distance that won't disturb them. Their small size and cryptic forest habitat demand patience; expect to spend considerable time waiting for individuals to move or call. Early mornings during breeding season, when territorial males vocalize more frequently, offer the best opportunities for both sightings and photography.