Drawing Birds
1:17:01
Field Sketching Basics
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Drawing Fishes
1:30:32
The New Bird Drawing System
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Art + Science = Scientific Illustration
1:48:24
Drawing Brids: Heads, Wings & Feet
1:23:36
Five Tips For Better Drawing
30:04
HOW TO USE COLORED PENCIL - Guide for Beginners
1:16:18