Daniel Heuclin / Landscape with a Chullpa / funeray tower. Ceremonial tomb from between 1200-1450 AD, San Juan del Rosario, Bolivia.

B&S Draker / Common Pauraque (Nyctidromus albicollis) adult on nest. Sinton, Corpus Christi, Coastal Bend, Texas, USA, May.

David Tipling / Nightjar {Caprimulgus europaeus} male in display flight at dusk, North Norfolk, UK, June

David Tipling / Nightjar {Caprimulgus europeaea} male in display flight at night, North Norfolk, UK, June

David Tipling / Nightjar {Caprimulgus europaeus} male churring on song post at dusk, North Norfolk, UK, June

David Tipling / Nightjar {Caprimulgus europaeus} at nest in threat display towards advancing Adder, North Norfolk, UK, May

Rolf Nussbaumer / Male Lesser nighthawk {Chordeiles acutipennis} Texas, USA

Rolf Nussbaumer / Lesser nighthawk female with egg at nest {Chordeiles acutipennis} Texas, USA.

Mike Wilkes / Nightjar (Caprimulgus europaeus) on nest. England, UK, Europe

David Kjaer / Nightjar on nest, England

David Tipling / Nightjar (Caprimulgus europaeus) shot in wing and put down by vet, Birdlife Malta Springwatch Camp, Malta, April 2013

David Tipling / Nightjar (Caprimulgus europaeus) shot in wing and put down by vet, Birdlife Malta Springwatch Camp, Malta, April 2013

Andrew Cooper / Nightjar (Caprimulgus europaeus) feeding two chicks. Devon, UK.