Tham khảo Sự_bay_của_chim

    • Alexander, David E. Nature's Flyers: Birds, Insects, and the Biomechanics of Flight. 2002(hardcover) and 2004(paperback). Baltimore: The Johns Hopkins University Press. ISBN 0-8018-6756-8(hardcover) and 0801880599(paperback).
    • Brooke, Michael and Tim Birkhead (editors). The Cambridge Encyclopedia of Ornithology. 1991. Cambridge: Cambridge University Press. ISBN 0-521-36205-9.
    • Burton, Robert. Bird Flight. Facts on File, 1990
    • Campbell, Bruce, and Elizabeth Lack (editors). A Dictionary of Birds. 1985. Calton: T&A D Poyse. ISBN 0-85661-039-9.
    • Cornell Laboratory of Ornithology handbook of bird biology. 2004. Princeton University Press. ISBN 0-938027-62-X. (hardcover)
    • Del Hoyo, Josep, et al. Handbook of Birds of the World Vol 1. 1992. Barcelona: Lynx Edicions, ISBN 84-87334-10-5.
    • Wilson, Barry (editor). Readings from Scientific American, Birds. 1980. San Francisco: WH Freeman. ISBN 0-7167-1206-7.
    • Attenborough, D.1998. The Life of Birds. Chapter 2. BBC Books. ISBN 0563-38792-0.