Swallowtail nightjar
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Swallowtail nightjar ( Uropsalis segmentata ) |
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| Uropsalis segmentata | ||||||||||
| ( Cassin , 1849) |
The swallowtail nightjar ( Uropsalis segmentata , Syn. Hydropsalis segmentatus ) is a species of bird from the family of the nightjar (Caprimulgidae).
It occurs in Bolivia , Ecuador , Colombia and Peru .
Their distribution area includes subtropical moist mountain forest or rain forest , clearings , aisles and forest edges, also high grasslands .
description
The swallowtail nightjar is 20–22 cm tall, the male weighs about 45, the female around 50 g. The male has the outer tail feathers, which can be up to 54 cm long, and it has a white throat ligament. In the female, the tail is notched and has tail bands. The upper side of both sexes is dark brown to black with reddish brown spots and a neck band. This species has no white on the tail or wings. It is similar to the lyre-tailed nightjar , but occurs at greater heights, is smaller, more evenly dark gray and has reddish-brown spots on the crown and forehead.
voice
The call of the male is called from the ground as a series of rising, then falling, whistling sounds “purrrrr-sweeeee”, also described as “pweeép”. The call can be confused with that of the Lappet Guan ( Aburria aburri ).
Geographic variation
The following subspecies are recognized:
- U. s. segmentata ( Cassin , 1849), nominate form - Andes in Colombia and Ecuador
- U. s. kalinowskii ( Berlepsch & Stolzmann ), 1894 - Eastern Andes from northern Peru to the south to western Bolivia ( Cochabamba ).
Way of life
The food consists of insects , which are preyed on with short leaps from the ground or from a hide. The night swallow is nocturnal , prefers to look for food in clearings and aisles and likes to sit on paths.
The breeding season is between August and September and January and February in Colombia.
Hazardous situation
The swallowtail nightjar is not considered to be endangered ( Least Concern ).
literature
- John Cassin: Description of new species of birds of the Family Caprimulgidae, specimens of which are in the Collection of the Academy of Natural Sciences of Philadelphia . In: Proceedings of the Academy of Natural Sciences of Philadelphia . tape 4 , 1849, pp. 236-239 ( biodiversitylibrary.org ).
- Hans Hermann Carl Ludwig von Berlepsch, Jan Sztolcman: Descriptions de quelques espèces nouvelle d'oiseaux du Pérou central . In: The Ibis (= 6 ). tape 6 , 1894, pp. 385-405 ( biodiversitylibrary.org ).
Individual evidence
- ↑ Avibase
- ↑ a b c d Handbook of the Birds of the World
- ^ A b c M. McMullan: Field Guide to the Birds of Colombia Rey Naranjo Editores, 2018, ISBN 978-958-8969-77-0
- ↑ Peruaves
- ↑ a b Cornell Lab of Ornithology
- ↑ IOC World Bird List frogmouths, oilbird, potoos, nightjars
- ^ John Cassin (1849), p. 238.
- ^ Hans Hermann Carl Ludwig von Berlepsch a. a. (1894), p. 399.
- ^ IUCN Redlist
Web links
- Videos, photos and sound recordings of Uropsalis segmentata in the Internet Bird Collection
