Savanna nightjar
| Savanna nightjar | ||||||||||
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Savannah nightjar ( Caprimulgus affinis ) |
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| Systematics | ||||||||||
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| Scientific name | ||||||||||
| Caprimulgus affinis | ||||||||||
| Horsfield , 1821 |
The savannah nightjar ( Caprimulgus affinis ) is a species of bird from the nightjar family (Caprimulgidae).
It occurs in Malaysia , Sumatra , Borneo and Java to Lombok , possibly also Sulawesi , China , Vietnam , Philippines , Lesser Sunda Islands , Pakistan , India , Myanmar , Thailand , Cambodia , Taiwan .
Their distribution area includes bushy hills, open tree-covered forest areas and grassy areas.
description
The savannah nightjar is 20 to 26 cm tall, the male weighs between 54 and 86 g, the female between 75 and 110 g. It is of medium size, has short wings and a short tail, the head is relatively large. The upper side including the upper wing is dark brown to gray with whitish or cinnamon colored speckles. The throat has large white spots on the side. In the male, there are clear white points on the four hand wings , which are yellow-brown in the female. The male's two outer control feathers are white except for the tip.
voice
The male's call is described as a loud, repeated “chwip” or “chwiip”, mainly when flying.
Geographic variation
The following subspecies are distinguished:
- C. a. affinis , Horsfield , 1821, nominate form - Malaysia, Sumatra, Borneo and Java to Lombok, possibly also Sulawesi
- C. a. amoyensis , ECS Baker , 1931 - Southeast China and North Vietnam.
- C. a. griesatus , Walden , 1875 - Philippines ( Luzon , Catanduanes , Mindoro , Sibuyan , Negros and Cebu ).
- C. a. kasuidori , Hachisuka , 1932 - Lesser Sunda Islands
- C. a. mindanensis , Mearns , 1905 - Mindanao , in the southeastern Philippines.
- C. a. monticolus , Franklin , 1831 - Franklin's Nightjar - Northeast Pakistan and India to Myanmar and south to Thailand and Cambodia.
- C. a. propinquus , Riley , 1918 - Sulawesi
- C. a. stictomus , Swinhoe , 1863 - Taiwan.
- C. a. timorensis , Mayr , 1944 - Lesser Sunda Islands
- C. a. undulatus , Mayr , 1944 - Lesser Sunda Islands
Way of life
The diet consists of flying insects such as moths , beetles , terrestrials , termites and ants , which are hunted on the fly . She drinks from pools on the fly.
The breeding season is between June and July in Pakistan, April and August in India and the Himalayas , May and March in the Philippines, March and December in Java. The mostly two pale to clearly salmon-colored, dotted and dark red spotted eggs are laid directly on the ground without a nest and incubated by both parents.
Hazardous situation
The savannah nightjar is not considered to be endangered ( Least Concern ).
Individual evidence
- ↑ a b Avibase
- ↑ a b c d e Handbook of the Birds of the World
- ↑ a b c R. Grimmett, T. Inskipp: Birds of Northern India. Helm Field Guides, 2017, ISBN 978-0-7136-5167-6
- ^ A b S. Ali: The Book of Indian Birds. Bombay Natural History Society, Oxford university Press, 13th ed. 2002, ISBN 978-0-19-566523-9
- ^ IUCN Redlist
Web links
- Videos, photos and sound recordings on Caprimulgus affinis in the Internet Bird Collection
