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A specialised arrangement of the feet in which the toes are arranged in pairs, with the second and third toes facing forward and the first and fourth toes facing backward.[1] This adaptation helps birds climb and perch on tree trunks and other vertical surfaces.[1] Several groups of birds have zygodactyl feet, including the parrots, the cuckoos and turacos, owls, toucans and the woodpeckers and their relatives.[1]

See also

References

  1. ^ a b c Frances, Peter; et al. (2007). Bird: The Definitive Visual Guide. Dorling Kindersley Inc. ISBN 1564582957. 
Anatomy of an amiotic egg This article is part of Project Glossary, a All Birds project that aims to write comprehensive articles on each term related to animals.


Little Pied Cormorant This article is part of Project Anatomy, a All Birds project that aims to write comprehensive articles on each anatomical term related to birds.

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