Bird strikes happen most often during takeoff or landing, or during low altitude flight. However, bird strikes have also been reported at high altitudes, some as high as above the ground. Bar-headed geese have been seen flying as high as above sea level. An aircraft over the Ivory Coast collided with a Rüppell's vulture at the altitude of , the current record avian height. The majority of bird collisions occur near or at airports (90%, according to the ICAO) during takeoff, landing and associated phases. According to the FAA wildlife hazard management manual for 2005, less than 8% of strikes occur above and 61% occur at less than .