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Altricial chicks

Altricial chicks of an unknown species of passerine.

Quail chick 02

California Quail - a precocial chick.

A bird that just hatched out of its egg [1].

A hatchling can either be precocial (covered in down, able to feed themselves and be able to move), altricial (naked, blind and helpless) or a mix of both (terns and gulls - are born with down, can move but rarely leave the nest)[2].

References[]

  1. ^ Simpson & Day (1999). A Field Guide to the Birds of Australia, 6th Edition. Penguin. ISBN 0-691-04995-5. 
  2. ^ 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, an All Birds project that aims to write comprehensive articles on each term related to animals.


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