Caprimulgus

Trivial name Latin name
Red-necked Nightjar Caprimulgus ruficollis
Rufous-cheeked Nightjar Caprimulgus rufigena
Freckled Nightjar Caprimulgus tristigma
European nightjar Caprimulgus europaeus
Egyptian nightjar Caprimulgus aegyptius
Grey Nightjar Caprimulgus jotaka
Large-tailed Nightjar Caprimulgus macrurus
Slender-tailed Nightjar Caprimulgus fossii
Abyssinian Nightjar Caprimulgus poliocephalus
Fiery-necked Nightjar Caprimulgus pectoralis
Nubian Nightjar Caprimulgus nubicus
Standard-winged Nightjar Caprimulgus longipennis
Long-tailed, Slender-tailed Nightjar Caprimulgus climacurus

comparison of wing and tail configuration