Band-winged Nightjar

Systellura longirostris

The band-winged nightjar or greater band-winged nightjar is a species of nightjar in the family Caprimulgidae. It is the only species now placed in the genus Systellura. It is widespread in South America, where it is found in the Andes, Venezuelan Coastal Range, Santa Marta Mountains, Tepuis, most of Chile, Argentina, Paraguay, Uruguay, and eastern Brazil. It occurs in a wide range of habitats, from the edge of humid montane forests to shrubby semi-deserts and urban rooftops. Source

Where it is now

In the last 8 weeks this bird was recorded 1,265 times across 7 areas (each area is a 5 degree square).

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Movement and weather

Over the weeks it was present in the past year, its centre in South America ranged from 42°S in December to 1°N in October, about 4,700 km apart.

Arrival dates

The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.

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Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.