Staffan Widstrand / Large-tailed nightjar (Caprimulgus macrurus) in Keoladeo Ghana National Park, Bharatpur, Rajasthan, India

Graeme Guy/ BIA / Large-tailed Nightjar (Caprimulgus macrurus) mother with chicks, Singapore

Jiri Lochman / Large-tailed Nightjar (Caprimulgus macrurus) nesting amongst dry leaves on forest floor, native to the Northern Territory and northern and eastern Queensland, Australia.

Martin Willis / Large-tailed Nightjar (Caprimulgus macrurus) at night, Lockhart River, Cape York, Australia

Bob Steele / Large-tailed Nightjar (Caprimulgus macrurus), Kaeng Krachan, Thailand

Bernard Castelein / Large / Long tailed Nightjar {Caprimulgus macrurus} camouflaged amongst leaf litter, Keoladeo Ghana NP, Bharatpur, India

Bernard Castelein / Large / Long tailed Nightjar {Caprimulgus macrurus} portrait, Keoladeo Ghana NP Bharatpur, India

Jiri Lochman / Large-tailed nightjar (Caprimulgus macrurus) sitting on its eggs on bare ground, Paluma Range National Park, north-eastern Queensland, Australia.

Jiri Lochman / Two Large-tailed nightjar (Caprimulgus macrurus) eggs, which have been laid and incubated on bare ground, Paluma Range National Park, north-eastern Queensland, Australia.

Jiri Lochman / Large-tailed nightjar (Caprimulgus macrurus) chick resting on bare ground, Paluma Range National Park, north-eastern Queensland, Australia.

Bruce Thomson / Large-tailed nightjar (Caprimulgus macrurus) resting on ground in open woodland at night, Bamaga, Queensland, Australia.