Flight call explained
Flight calls are vocalisations made by birds in flight, often serving to keep flocks together.[1]
Notes and References
- Book: Cech, Rick. Dunning, John B. Jr.. Elphick, Chris . 2001. Behavior . 68–69 . The Sibley Guide to Bird Life and Behavior. Alfred A. Knopf. Elphick, Chris . Dunning, John B. Jr. . Sibley, David Allen. New York. 978-1-4000-4386-6.