Great Eared Nightjar 
(Cú muỗi mào, Lyncornis macrotis)

The great eared nightjar (Lyncornis macrotis) is a species of nightjar in the family Caprimulgidae.

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".