The savanna nightjar, sometimes also allied nightjar or Franklin's nightjar, (''Caprimulgus affinis'') is a species of
nightjar found in
South
South is one of the cardinal directions or Points of the compass, compass points. The direction is the opposite of north and is perpendicular to both east and west.
Etymology
The word ''south'' comes from Old English ''sūþ'', from earlier Pro ...
and
Southeast Asia
Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical United Nations geoscheme for Asia#South-eastern Asia, south-eastern region of Asia, consistin ...
. Eight subspecies are recognised: ''C. a. monticolus'', ''C. a. amoyensis'', ''C. a. stictomus'', ''C. a. affinis'', ''C. a. timorensis'', ''C. a. griseatus'', ''C. a. mindanensis'' and ''C. a. propinquus''. Its habitat is open forest and areas with scrub.
Its length is about . The upperparts are brownish-grey and
vermiculated
Vermiculation is a surface pattern of dense but irregular lines, so called from the Latin ''vermiculus'' meaning "little worm" because the shapes resemble worms, worm-casts, or worm tracks in mud or wet sand. The word may be used in a number of ...
, with pale brown speckles. The underparts are brown, with bars.
The savanna nightjar is
nocturnal
Nocturnality is an animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal", versus diurnal meaning the opposite.
Nocturnal creatures generally have highly developed sens ...
and is recognizable by its characteristic loud chirping calls, mainly given in flight during the evening.
The
IUCN Red List
The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biol ...
has assessed the species to be of least concern because it has a large range and its population trend is stable.
References
savanna nightjar
The savanna nightjar, sometimes also allied nightjar or Franklin's nightjar, (''Caprimulgus affinis'') is a species of nightjar found in South and Southeast Asia. Eight subspecies are recognised: ''C. a. monticolus'', ''C. a. amoyensis'', ''C. ...
Birds of South China
Birds of South Asia
Birds of Southeast Asia
Birds of Taiwan
savanna nightjar
The savanna nightjar, sometimes also allied nightjar or Franklin's nightjar, (''Caprimulgus affinis'') is a species of nightjar found in South and Southeast Asia. Eight subspecies are recognised: ''C. a. monticolus'', ''C. a. amoyensis'', ''C. ...
Taxa named by Thomas Horsfield
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