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Passion | by peggyhr
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Passion

A water drop magnifies this feather's details... i.e., its barbs and barbules.

 

A typical vaned feather features a main shaft, called the rachis. Fused to the rachis are a series of branches, or barbs; the barbs themselves are also branched and form the barbules. These barbules have minute hooks called barbicels for cross-attachment. [...] Feathers insulate birds from water and cold temperatures.

 

en.wikipedia.org/wiki/Feather

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Taken on February 27, 2009