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Band-winged Nightjar Systellura longirostris

  • Order: Caprimulgiformes
  • Family: Caprimulgidae
  • Polytypic: 9 subspecies
  • Authors: Crestol, Sarah
Sections

Behavior

Behavior

The behavior of Band-winged Nightjar is poorly studied. The species is primarily nocturnal. During the day, these nightjars roost on the ground, usually in a ravine, road cutting, gorge, or rocky or bushy slope (Johnson 1967, Hilty and Brown 1986, Fjeldså and Krabbe 1990, Hilty 2003). At night, Band-winged Nightjar forages for insects with sallies to the air from the ground, including from roads, or from a low perch (Hilty and Brown 1986, Hilty 2003). Band-winged Nightjar makes "long, rambling, aerial sorties" (Hilty 2003), during which it presumably also forages for insects (Johnson 1967, Hilty 2003). In urban areas, this nightjar captures termites from window sills, at heights up to the 15th floor, and occasionally also captures termites attracted to street lights (Sick 1993).

In eastern Brazil, Band-winged Nightjar sings throughout the year. The song primarily is delivered shortly after dusk, and again just before dawn (Johnson 1967, Hilty 2003), and is given from a low perch (Hilty and Brown 1986).

Territoriality

There are no published data on territorial defense, maintenance, or fidelity, or territory or home range size, for Band-winged Nightjar.

Sexual Behavior

The social system of Band-winged Nightjar has not been described, but presumably it is at least socially monogamous. in a flight display, the male flies over the female, spreads his tail, and produces a whirring sound with the wings (Hilty 2003). Band-winged Nightjar also has a wing clapping display (Hilty 2003), which apparently has not been described.

Social and interspecific behavior

Band-winged Nightjar usually is solitary, less frequently in pairs.

Predation

Little information. Remains of one Band-winged Nighjar was recovered during a survey of Peregrine Falcon (Falco peregrinus) eyries in Argentina (Ellis et al. 2002).

Recommended Citation

Crestol, Sarah. 2015. Band-winged Nightjar (Systellura longirostris), version 1.0. In Neotropical Birds Online (T. S. Schulenberg, editor). Cornell Lab of Ornithology, Ithaca, New York, USA. https://doi.org/10.2173/nb.bawnig1.01