http://www.dailymail.co.uk/sciencetech/article-3033957/Could-blue-lights-stop-birds-crashing-aircraft-Bright-flashes-key-avoiding-avian-collisions.html

Covering aircraft in blue lights, and only turning them on when beginning to take off, could help stop birds colliding with aircraft.

That’s according to a study, which found that birds responded to lights in different ways than a human might.