Egg tooth

A newly hatched baby bird has a small pointed hardened process on the front portion of the upper beak, called the egg tooth. The egg tooth is used by the hatchling to pip into the air cell of the egg, and then to break and unzip the shell. It is then shed sometime after hatching.

This picture is included in the Wings cast toward the sun...Icarus photo album belonging to Badger. It has been uploaded on 6 Aug 2011 at 4:48PM.
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