Sibirian nightjar... www.alamy.com

Eurasian Nightjar -... birdsoftheworld.org

Sibirian nightjar... www.alamy.com

Sibirian nightjar... www.alamy.com

European Nightjar -... observation.org

ADW: Caprimulgus europaeus:... animaldiversity.org

Sibirian nightjar... www.alamy.com

Birds of Saudi Arabia:... www.birdsofsaudiarabia.com

Sibirian nightjar... www.alamy.com

European Nightjar -... observation.org

Eurasian Nightjar -... birdsoftheworld.org

European Nightjar -... observation.org

Sibirian nightjar... www.alamy.com

European Nightjar -... observation.org

Birds of Saudi Arabia:... www.birdsofsaudiarabia.com

European Nightjar -... observation.org

Birds of Saudi Arabia:... www.birdsofsaudiarabia.com

Sibirischer Ziegenmelker... www.imago-images.com

Birds of Saudi Arabia:... www.birdsofsaudiarabia.com

European Nightjar -... observation.org