Band-winged Nightjar

Systellura longirostris

Quick Facts

  • Scientific Name: Systellura longirostris
  • Spanish Name: Chotacabras alibandeado
  • Family: Caprimulgidae
  • Known Nicknames: Long-billed Nightjar, Tepuí Nightjar
  • Average Length: 20–27 cm / 7.9–10.6 in
  • Average Weight: 30–70 g / 1.1–2.5 oz
  • Wingspan: 45–55 cm / 17.7–21.7 in
  • Key Feature: Prominent white band across the primaries and white-tipped outer tail feathers in males
  • Primary Diet: Insectivore
  • Range: Widespread across South America, from the Andes of Colombia to Tierra del Fuego, and eastern Brazil
  • Habitat: Open woodland, montane scrub, high-altitude grassland, and rocky slopes
  • Social Structure: Solitary or in pairs; nocturnal and crepuscular
  • Nesting/Breeding: Bare ground or leaf litter (no formal nest structure)
  • Conservation Status: Least Concern (LC)
  • Population Trend: Stable

The Band-winged Nightjar (*Systellura longirostris*) is a master of avian camouflage, draped in intricately mottled plumage of charcoal, warm brown, and silver that allows it to vanish against the rocky terrain and leaf litter of its South American highland habitats. This nocturnal insectivore is most striking in flight, when it reveals its namesake feature: a bold white or buff-colored band slashing across its long, pointed wings. Equipped with exceptionally large, light-sensitive eyes and a wide gape fringed with stiff, sensory rictal bristles, it expertly maneuvers through the twilight to snatch insects mid-air. Beyond its ghostly appearance and long bill, this species is known for its haunting, high-pitched whistling calls and its habit of resting motionless on mountain roads, where its reflective eyes glow like tiny embers in the dark.

Fun Facts

The Band-winged Nightjar is a master of deception, using its mottled plumage to vanish against the forest floor like a pile of dead leaves. When threatened, it may perform a "broken-wing display," feigning injury to lure predators away from its eggs, which are laid directly on the bare ground without any nest structure. This bird possesses a massive mouth gape—far wider than its small beak suggests—lined with sensory rictal bristles that act like a funnel for scooping up insects mid-flight. Additionally, its eyes feature a reflective layer called a tapetum lucidum, which causes them to glow a striking red in artificial light, an adaptation that significantly enhances its nocturnal hunting precision.

Habitats & Distribution

This species is widely distributed across South America, ranging from the Andes of Venezuela and Colombia southward through Ecuador, Peru, Bolivia, and into central Chile and Argentina. It also occupies significant portions of eastern Brazil, Uruguay, and Paraguay. Its presence spans a remarkable elevational gradient, occurring from coastal sea-level regions up to high-altitude Andean paramos exceeding 4,200 meters. It inhabits a broad spectrum of environments, typically favoring open or semi-open landscapes. Common habitats include scrublands, forest edges, rocky slopes, and montane grasslands. Additionally, it has adapted well to human-altered environments, often being found in rural gardens, agricultural clearings, and even on flat rooftops within urban areas.

Behaviours & Reproduction

Primarily nocturnal and crepuscular, this species is largely solitary but becomes highly territorial during the breeding season. It spends the day roosting on the ground, relying on its cryptic, mottled plumage to blend into the leaf litter and avoid detection. At night, it hunts insects in flight, often using a "sit-and-wait" strategy from a low perch. Males attract mates through specialized aerial displays, swooping through the air to flash their distinctive white wing bands while emitting sharp, whistled calls to establish their territory. Reproductive strategies are characterized by a lack of traditional nest-building; females lay two speckled eggs directly on the bare earth, leaf litter, or rocky ledges. This minimalist approach relies entirely on the parent's camouflaged feathers to hide the site from predators. Both parents typically participate in incubation and chick-rearing, remaining motionless for long periods to maintain concealment. If a threat approaches the nest, the adults may perform a distraction display, such as feigning an injury or a broken wing, to lure the predator away from the vulnerable eggs or young.

Diet

The Band-winged Nightjar is strictly insectivorous, primarily preying on a variety of flying insects such as moths, beetles, and crickets during its peak activity periods at dusk and dawn. As an aerial hawker, it typically employs a sallying technique, launching from a low perch or the ground to snatch prey mid-air with its remarkably wide gape. A fascinating adaptation for this diet is the presence of rictal bristles—stiff, hair-like feathers around the base of the beak—which are believed to help funnel insects into the mouth or protect the eyes during capture. Furthermore, these birds are known to exhibit opportunistic behavior by hunting near artificial light sources, where they take advantage of the dense clusters of insects attracted to the illumination.

Colors

The Band-winged Nightjar features cryptic, mottled plumage in shades of brown, grey, and black that provides exceptional camouflage against leaf litter and rocky soil. It is distinguished by a prominent buff or rufous collar and bold white (male) or buff (female) bands across the wings and outer tail feathers, which are most visible during flight. These intricate, disruptive patterns break up the bird's silhouette, allowing it to blend seamlessly into its environment while roosting on the ground.

Frequently Asked Questions