Most song birds
stay below 500 ft during their daily activities.
Flying higher than this uses a lot of energy and
exposes them to predators. Vultures may soar as
high as 5,000 to 10,000 feet to scan large areas
many species fly from 5,000 to 10,000 feet and long
distant migrants may go as high as 20,000
Turkey vultures soar on thermals to great heights
when looking for food and during
Perhaps the highest
recorded sighting was a flock of whooper swans
identified by an airline pilot over Ireland at an
altitude of 29,000 feet!