River nightjar
| River nightjar | ||||||||||
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River nightjar in Peru |
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| Systematics | ||||||||||
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| Scientific name | ||||||||||
| Chordeiles rupestris | ||||||||||
| ( Spix , 1825) |
The nightjar ( Chordeiles rupestris ) is a species of bird in the nightjar family (Caprimulgidae).
It occurs in Bolivia , Brazil , Ecuador , Colombia , Peru and Venezuela .
Their distribution area mainly includes rivers and wetlands , secondary forests , rocky islands and sandy beaches, also near lakes.
description
The river nightjar is 19–24 cm tall; the sexes do not differ. The underside is pale gray-brown, brown and cinnamon-colored mottled and striped. There is no neck band to be delimited, the elytra are also pale gray-brown.
voice
The male's call is described as a trilling “rrrr-wo-wo-wo”, either in flight or from a raised hide.
Geographic variation
The following subspecies are recognized:
- C. r. xyostictus Oberholser , 1914 - Colombia ( Cundinamarca )
- C. r. rupestris ( Spix , 1825), nominate form - Ecuador, Peru, Colombia (from Meta and Guainía ) and Venezuela to Brazil and Bolivia
Way of life
The diet consists of insects including moths and termites , which are hunted in flight low over sandbars or higher over rivers. The bird is more active at night than other night swallows and hunts together. It rests on the open ground or between dead branches above the water.
The breeding season is the dry season with low water, between January and July to the end of September in Colombia, and May and August in Peru.
Hazardous situation
The river nightjar is not considered to be endangered ( least concern ).
Individual evidence
- ↑ Avibase
- ↑ a b c d e Handbook of the Birds of the World
- ↑ a b M. McMullan: Field Guide to the Birds of Colombia Rey Naranjo Editores, 2018, ISBN 978-958-8969-77-0
- ^ IUCN Redlist
Web links
- Videos, photos and sound recordings for Chordeiles rupestris in the Internet Bird Collection
