对趾足

对趾足，又称对生趾(Zygodactyl)，此种鸟类的脚趾两趾向前两趾向后的排列方法为对生趾，通常是树栖性的鸟类拥有对生趾，以方便在树枝间攀爬，例如啄木鸟、猫头鹰、杜鹃、鹦鹉以及部分的雨燕。台湾特有种五色鸟就是对生趾之一的鸟种。[1][2][3]

参见

参考资料
  1. Gill, Frank B. 2md. New York: W.H. Freeman and Company. 2001. ISBN 978-0-7167-2415-5.
  2. Kalbe, Lothar. . [Wildlife by the Water] 1st. Leipzig-Jena-Berlin: Urania-Verlag. 1983: 72–77 （德语）.
  3. Kochan, Jack B. . Birds. Mechanicsburg: Stackpole Books. 1994. ISBN 978-0-8117-2515-6.
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