Gray night swallow
| Gray night swallow | ||||||||||
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Gray nightjar ( Caprimulgus caprimulgus jotaka ) |
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| Systematics | ||||||||||
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| Scientific name | ||||||||||
| Caprimulgus jotaka | ||||||||||
| Temminck & Schlegel , 1845 |
The gray night swallow ( Caprimulgus Caprimulgus jotaka ) is a species of bird from the night swallow family (Caprimulgidae).
It was previously thought to be specific to the jungle nightjar, but it differs in its voice.
It occurs in East Asia , in Bangladesh , the Great Sunda Islands , in India , Japan , Korea , the Malay Peninsula , in Myanmar , Pakistan , in the Philippines , in Siberia and in southern China.
Their distribution and breeding area includes open bush and tree-covered habitats .
description
The gray night swallow is 24–29 cm tall and weighs between 77 and 92 g. It is a very dark, roughly drawn bird with a blackish top and dark, two-dimensional drawing. The male has large black spots on the vertex.
It differs from the jungle nightjar in size, wingspan 186–210 versus 182–185 cm and darker overall plumage.
voice
The male's call is described as a rapid, repeated series of monosyllabic, whipping “villain'SCHurk'SCHurk ...” sounds that merge into one another.
Geographic variation
The following subspecies are recognized:
- C. j. Hazarae Whistler , 1935 - Northeast Pakistan east along the Himalayas to northeast India , Bangladesh and southern China ( Yunnan ), south via Myanmar to the Malay PeninsulaMalay and the Great Sunda Islands
- C. j. jotaka Temminck & Schlegel , 1844, nominate form - Southeast Siberia, China, Japan and Korea; winters from southern China to the Philippines and the Great Sunda Islands
Way of life
The diet mostly consists of flying insects such as moths , flying ants , grasshoppers and beak peas .
The breeding season is between May and the beginning of August in Japan, in June in Russia, in May in China, between April and May in Myanmar and the Himalayas. The eggs are bluish-white to cream-white with strong dark brown spots.
Hazardous situation
The gray night swallow is not considered to be endangered ( Least Concern ).
Individual evidence
- ↑ Avibase
- ^ PC Rasmussen and JC Anderton: Birds of South Asia: The Ripley Guide. Smithsonian Institution and Lynx Edicions, 2005, ISBN 84-87334-67-9
- ↑ a b c d e f Handbook of the Birds of the World
- ↑ IOC World Bird List frogmouths, oilbird, potoos, nightjars
- ^ IUCN Redlist
Web links
- Videos, photos and sound recordings of Caprimulgus jotaka in the Internet Bird Collection
