marbiagehasten
utorak, 11.01.2011.
The ABC's of Beaks
Beaks, Bills, Face Knives, Beakers - whatever we want to call them, they are an integral part of our Hookbills! So, let's break the beak down into some understandable lessons:A. Anatomy - What is a beak?
It is not "dead" material, like hair or fingernails - rather, it is a living organ, the tip of which contains a bundle of sensitive nerves. The beak itself consists of keratin (a protein called the ramphotheca) which covers bone (the premaxilla or upper beak and mandible or lower beak). Directly.
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