You cant get more transparency in any other medium. Glass painting also has the flexibility of blending in with the background based on the area it is placed once framed. It adopts the shades of the wall and becomes a part of it.
The peacock is portrayed best in the medium of glass, for its pure form and shape and the brilliance of its color and beauty. These works are done in tiles of 4 squares of 9 inches each that form a single painting, and can be framed separately or put together as one.