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Caprimulgidae, of which the birds are often called nightjar, from their jarring cries, is the single bird family of the order Caprimulgiformes. The birds of the family are also called goatsuckers or bugeaters and they are medium-sized nocturnal or crepuscular birds.

Caprimulgiformes, Caprimulgidae: from Caprimulgus Latin caprimulgus nightjar (capra nanny goat; mulgere to milk).

Caprimulgus is a large and widespread genus of nightjars, medium-sized nocturnal birds with long pointed wings, short legs and short bills. Caprimulgus is derived from the Latin capra, "nanny goat", and mulgere, "to milk".

1/ Indian nightjar (Cú muỗi Châu Á, Caprimulgus asiaticus)
2/ Jungle nightjar (Cú muỗi Ấn Độ, Cú muỗi Ấn Độ, Caprimulgus indicus)
 formerly called the grey nightjar or Indian jungle nightjar
3/ Large-tailed nightjar (Cú muỗi đuôi dài, Caprimulgus macrurus)
4/ Savanna nightjar, sometimes also allied nightjar or Franklin's nightjar, (Cú muỗi Savan, Caprimulgus affinis) 
Six subspecies recognised are: 
  Caprimulgus affinis monticolus, 
  Caprimulgus affinis amoyensis, 
  Caprimulgus affinis stictomus, 
  Caprimulgus affinis affinis, 
  Caprimulgus affinis timorensis and 
  Caprimulgus affinis propinquus

Lyncornis is a genus of eared nightjar in the family Caprimulgidae, formerly placed in the genus Eurostopodus.
Caprimulgidae: from Caprimulgus Latin caprimulgus nightjar (capra nanny goat; mulgere to milk).
The genus name Lyncornis combines the Ancient Greek lunx/lunkos meaning "lynx" and ornis meaning "bird". 
The specific epithet macrotis is from the Ancient Greek makrotes, meaning "long-eared".

1/ Great eared nightjar (Cú muỗi mào, Lyncornis macrotis)