One of the contributors to the study, an adult male European nightjar.   Photo: Gabriel Norevik A study on the spatial consistency and repeatability of European nightjars Caprimulgus europaeus tracked across multiple years By Gabriel Norevik Do European nightjars return to site they visit previous years? Birds with GPS-trackers reveal their site-fidelity across the annual cycle Nightjars regularly revisit the location where they have bred and wintered Migration routes are mo