Andres M. Dominguez / Red-necked nightjar (Caprimulgus ruficollis) on nest with eggs, Arcos de la Frontera, southern Spain, May

Andres M. Dominguez / Red-necked nightjar (Caprimulgus ruficollis) with chicks at nest, Arcos de la Frontera, southern Spain, June

Roland Seitre / Red-necked Nightjar (Caprimulgus ruficollis) resting on ground, Missour, Fes-Boulemane, Morocco.

Pedro Marques / Red-necked Nightjar (Caprimulgus ruficollis), Portugal

Carlos Patricio / Red-necked Nightjar (Caprimulgus ruficollis), Abrantes, Portugal

Andres M. Dominguez / Red-necked Nightjar (Caprimulgus ruficollis), Cadiz, Spain

Andres M. Dominguez / Red-necked Nightjar (Caprimulgus ruficollis) camouflaged against leaves, Seville, Spain

Oscar Diez/ BIA / Red-necked Nightjar (Caprimulgus ruficollis), Andalusia, Spain