Caprimulgus

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

comparison of wing and tail configuration