In my column on migration, I pointed out that birds (including young of the year) were innately equipped with bearing and distance navigation capability as well as knowing when to migrate. They were able to maintain a straight course by sun-compass orientation/navigation by day and star orientation/ navigation at night. However, non-migratory flights often require additional and sometimes greater navigational ability. The homing ability of birds has been utilized by man for centuries to rapidly transport messages or other information. It has also led to a competitive sport --- pigeon racing. Much of the navigational research has involved pigeons rather...

Article Link