Coloring bitmap swallow
Yes! Swallow, a very beautiful bird, but it's black and white that it paint? It's not as if look closely, you can see the variety of color that occurs at the first glance at the simple but beautiful black and white bird. For example the color of his eyes, eyes, beaks, feet, nails. A breast and back with wings, if she throw up their color? How to change color under different lighting?
Coloring in a raster (pixel) format. If you use a graphics editor such as adobe Photoshop, then using the fill can easily paint a picture. Outlines for coloring perfect to spend some time coloring on the computer. For children this can be fun and not an obsessive study of the work in the graphic editors, and knowledge of the world in different shades and colors.
Coloring can be printed, and then paint.