Black-and-White Owl Common

Strix nigrolineata

Quick Facts

Nocturnal
  • Scientific Name: Strix nigrolineata
  • Spanish Name: Búho blanquinegro
  • Family: Strigidae
  • Known Nicknames: Black-and-white owl
  • Average Length: 35–40 cm / 14–16 in
  • Average Weight: 400–535 g / 14.1–18.9 oz
  • Wingspan: 75–91 cm / 29.5–35.8 in
  • Key Feature: Bold black and white horizontal barring on underparts with a dark facial disk and bright yellow bill
  • Primary Diet: Carnivore (Large insects, small mammals, bats, and small birds)
  • Range: Central Mexico through Central America to Colombia, Ecuador, and Northwest Peru
  • Habitat: Humid lowland forests, forest edges, and mangroves
  • Social Structure: Solitary or paired
  • Nesting/Breeding: Tree hollows or abandoned nests of other large birds
  • Conservation Status: Least Concern (LC)
  • Population Trend: Stable

The Black-and-White Owl (*Ciccaba nigrolineata*) is a striking nocturnal raptor native to the humid evergreen forests of Central and South America, instantly recognizable by its bold, monochromatic plumage. This medium-sized owl lacks ear tufts and is characterized by dense, horizontal black-and-white barring across its underparts, which contrasts sharply with its solid sooty-black back and wings. Its most captivating features are its vibrant yellow-to-orange bill and feet, which provide a vivid pop of color against its dark facial disc and deep, dark eyes. A master of the night, it utilizes its "zebra-striped" camouflage to blend into the dappled moonlight of the canopy while hunting for large insects and small vertebrates, making it one of the most visually dramatic and elusive predators of the neotropics.

Fun Facts

These striking owls are highly opportunistic hunters that frequently stake out streetlights and porch lamps to snatch up large insects attracted to the artificial glow. While many owls are solitary, Black-and-White Owls often hunt in coordinated pairs, working together to intercept fast-moving prey like bats in mid-air. They also possess a unique "ventriloquial" quality to their calls, which makes it notoriously difficult for observers to pinpoint their exact location within the dense canopy. Despite their bold, zebra-like barring, they can vanish instantly into the shadows of the tropical rainforest, a feat aided by their soot-colored feathers that blend perfectly with the darkness.

Habitats & Distribution

This owl is native to a broad geographical range that extends from southern Mexico through Central America and into northwestern South America, including parts of Colombia, Ecuador, Peru, and western Venezuela. It primarily occupies lowland and montane regions, typically occurring at elevations from sea level up to approximately 2,400 meters, though it is most frequently encountered below 1,200 meters. The species thrives in a variety of humid and wet forest environments, such as tropical rainforests, gallery forests, and mature secondary growth. It often gravitates toward forest edges and can also be found in semi-open landscapes, including plantations, mangroves, and occasionally suburban areas with sufficient tree cover. It shows a preference for dense foliage and areas near water sources for both hunting and daytime roosting.

Behaviours & Reproduction

Primarily nocturnal and strictly arboreal, this species is typically observed in monogamous pairs that maintain well-defined territories through rhythmic vocal signaling. They exhibit a sit-and-wait hunting strategy, perching in the canopy or mid-story to scan for prey. Socially, the bond between a pair is strong, with individuals often roosting close together during the day in dense foliage to avoid detection by predators or mobbing songbirds. Reproduction generally coincides with the dry season, during which the pair selects a nesting site in a tree cavity, a large branch fork, or an abandoned stick nest. The female typically lays one or two eggs and handles the majority of the incubation duties, while the male is responsible for hunting and bringing food to the nest. This division of labor continues through the early brooding stage, with both parents eventually participating in feeding the young until they are capable of hunting independently.

Diet

The Black-and-White Owl is a versatile nocturnal carnivore whose diet primarily consists of large insects, such as beetles, moths, grasshoppers, and crickets. Beyond its insectivorous preferences, this owl is an opportunistic hunter that consumes a variety of small vertebrates, including rodents, small birds, amphibians, and reptiles. A particularly intriguing aspect of its foraging strategy is its specialized ability to hunt bats, which it can capture in mid-flight or snatch directly from their roosting sites. Additionally, these owls have demonstrated a unique behavioral adaptation by frequently hunting near artificial light sources in suburban or rural areas, capitalizing on the high concentrations of insects drawn to the glow to maximize their hunting efficiency.

Colors

The Black-and-White Owl features a soot-black back and crown contrasted by white underparts densely covered in fine black horizontal barring. Its dark facial disk is sharply defined by bold white eyebrows and a speckled collar, complemented by a bright yellow-orange beak and feet. This high-contrast "zebra" pattern acts as disruptive camouflage, breaking up the bird's silhouette amidst the dappled light and deep shadows of the tropical canopy.