Caprimulgus europaeus:

Description:
Group: Nightjars

English: European Nightjar
German: Ziegenmelker
French: Engoulevent d'Europe
Spanish: Chotacabras gris
Dutch: Nachtzwaluw

Caprimulgus ruficollis:

Description:
Group: Nightjars

English: Red-necked Nightjar
German: Rothalsziegenmelker
French: Engoulevent à collier roux
Spanish: Chotacabras pardo
Dutch: Moorse Nachtzwaluw