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Click on picture for larger version
Look at the feathers (second picture down).
Small feathers on the back of the wing act like a spoiler.
As they turn up these spoiler feathers stops the lift in the bird's wing
A lot of detial in a the high res. version.
Soften this picture up for a different look.
This page contains all entries posted to Charles W Guthrie in October 2007. They are listed from oldest to newest.
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