Spotted nightjar
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Spotted nightjar ( Caprimulgus tristigma ), male |
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| Caprimulgus tristigma | ||||||||||
| Rüppell , 1840 |
The spotted nightjar ( Caprimulgus tristigma ) is a species of bird from the nightjar family (Caprimulgidae).
It occurs in Ethiopia , in the south of South Sudan and northeast of the Democratic Republic of the Congo south to Burundi and north of Tanzania . Guinea , Sierra Leone , Zambia , South Africa , Angola , Namibia , Nigeria , West Africa .
Their distribution area includes rocky hills and steep slopes from 600 to 2000 m.
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description
The spotted nightjar is 26–28 cm tall, the male weighs 70–100 g, the female 69–91 g. It is a large, dark, greyish-brown bird, the upper side including the upper wings is black-brown with diffuse fine gray or yellow-brown spots. A neck band cannot be delimited. Sometimes there are small whitish spots on the throat. In the male, white spots appear in flight on the 4th hand wings and small white corners on the control feathers, the tail is striped dark brown on brown.
voice
The male's call is described as an irregular, melodic to sharp “whow, whow, whow, whow” or “kow-whow, kow-whow”, often interspersed with “wup-wup-wup”.
Geographic variation
The following recognized subspecies are distinguished:
- C. t. granosus Clancey , 1965 - southeast of the Democratic Republic of the Congo, Zambia, Tanzania to South Africa.
- C. t. lentiginosus A. Smith , 1845 - West of Angola, Namibia and South Africa.
- C. t. tristigma Rüppell , 1840, nominated form - Ethiopia, South Sudan and northeast of the Democratic Republic of the Congo to Burundi and northern Tanzania.
- C. t. pallidogriseus R. H. Parker and CW Benson , 1971 - Nigeria.
Way of life
The diet consists of moths , winged termites and beetles .
The breeding season is between January and May in Nigeria, May and June in Ethiopia, Kenya and Zaire, between late August and November in Rwanda, Burundi, Tanzania and Zambia.
Hazardous situation
The spotted 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 c T. Stevenson, J. Fanshawe: Birds of East Africa. Kenya, Tanzania, Uganda, Rwanda, and Burundi,, Princeton University Press, 2002, ISBN 978-0-691-12665-4
- ^ RH Parker, CW Benson: Variation in Caprimulgus tristigma Riippell, especially in West Africa: part 2 . In: Bulletin of the British Ornithologists' Club , Vol. 91, 1971, pp. 117-119
- ^ IUCN Redlist
Web links
- Videos, photos and sound recordings on Caprimulgus tristigma in the Internet Bird Collection
