I have commented numerous time about the fact that the ruby colored feathers on the male ruby throated hummingbird look black from some angles and ruby from other angles. I decided to make a collage to show this strange effect. This is two images of the same bird taken on the same day. The only difference is the angle of view. This hummer is a young bird probably born early this season. His throat feathers are showing in color but have not yet developed the deep rich ruby red color. You can see different shades of colors in his throat feathers.
Nikon D40X with 300mm VR lens, collage created in Picasa 3