| approaching birds with drones: first experiments and ethical guidelines. | unmanned aerial vehicles, commonly called drones, are being increasingly used in ecological research, in particular to approach sensitive wildlife in inaccessible areas. impact studies leading to recommendations for best practices are urgently needed. we tested the impact of drone colour, speed and flight angle on the behavioural responses of mallards anas platyrhynchos in a semi-captive situation, and of wild flamingos (phoenicopterus roseus) and common greenshanks (tringa nebularia) in a wetla ... | 2015 | 25652220 |